{"slug":"bitcoin-market-structure-and-institutional-access","reviewed":"2026-10-20","observationPeriod":"2011-01-01/2025-12-31","kind":"empirical","sourceFingerprints":[{"label":"Coin Metrics public BTC daily snapshot","sha256":"06495ff8e643432e6948b7b4686ce44fc106217287dabdc1b38351d9ddec46c3"},{"label":"Saved adjusted daily equity archive, SPY subset used","sha256":"00ec7d23c1463a8acc3b7bebe6ae8d444c3d20c8793101bd69fd883c6b19592c"},{"label":"OKX BTC USDT hourly spot archive","sha256":"0c0f771524ac6ee31682afebee3e206ccc4293f082108d2f808bb164d63e28ab"}],"title":["Bitcoin institutional adoption: CME, spot ETFs and SPY correlation","比特币机构化：CME、现货 ETF、美股相关性与交易时段"],"summary":["Research Bitcoin institutional access, CME futures, spot ETFs, BTC–SPY correlation and trading-hour activity, with historical data and explicit causal limits.","研究比特币机构参与渠道、CME 期货、现货 ETF、BTC 与 SPY 美股相关性和交易时段活动，提供历史数据及明确的因果边界。"],"relatedCoins":["bitcoin"],"relatedTopics":["market","regulation"],"table":{"caption":["Descriptive BTC periods, not statistically identified structural breaks; all risk figures in percent","BTC 描述性分段，不是统计识别的结构断点；风险指标单位为 %"],"columns":[["Period","期间"],["Daily returns N","日收益 N"],["Annualised volatility (%)","年化波动（%）"],["P99 absolute daily return (%)","日绝对收益 P99（%）"],["Within-period max drawdown (%)","段内最大回撤（%）"],["BTC–SPY correlation","BTC–SPY 相关"],["Matched intervals N","同期区间 N"]],"rows":[["2011-01-01–2017-12-17","2543","106.26","24.60","-92.75","0.033","1752"],["2017-12-18–2019-12-31","744","78.44","13.32","-83.22","0.010","512"],["2020-01-01–2024-01-09","1470","66.47","10.99","-76.67","0.388","1012"],["2024-01-10–2025-12-31","722","47.48","8.34","-32.08","0.363","496"]]},"figures":[{"file":"market-structure-timeline.png","width":1303,"height":599,"caption":["Figure 1. Access milestones: futures, smaller contracts and spot ETP approval. These are not investor-control dates.","图一：期货、较小合约与现货 ETP 批准等渠道节点，不是市场控制权交接日期。"],"columns":[["Date","日期"],["Documented milestone","有文件支持的节点"]],"rows":[["2017-12-18","CME Bitcoin futures first trade date / CME 比特币期货首个交易日"],["2021-05-03","CME Micro Bitcoin futures listing / CME 微型比特币期货上市"],["2024-01-10","US spot Bitcoin ETP approval / 美国现货比特币 ETP 获批"]]},{"file":"market-structure-risk.png","width":1367,"height":739,"caption":["Figure 2. BTC annualised daily volatility varies by year. Lower pooled risk in a later period is not a monotonic trend or evidence of safety.","图二：BTC 日收益年化波动逐年变化。后段汇总风险较低，不等于逐年下降或安全保证。"],"columns":[["Year","年份"],["Daily returns N","日收益 N"],["Annualised volatility (%)","年化波动（%）"]],"rows":[["2011","365","175.03"],["2012","366","78.01"],["2013","365","143.78"],["2014","365","73.02"],["2015","365","69.28"],["2016","366","49.66"],["2017","365","93.72"],["2018","365","82.96"],["2019","365","70.75"],["2020","366","73.64"],["2021","365","78.80"],["2022","365","63.77"],["2023","365","43.73"],["2024","366","52.93"],["2025","365","41.92"]]},{"file":"market-structure-correlation.png","width":1395,"height":739,"caption":["Figure 3. BTC–SPY association by calendar year. Date-label alignment mixes UTC crypto closes with New York equity closes; it does not identify a causal channel.","图三：按自然年计算 BTC–SPY 关联。按日期标签匹配的 UTC 加密收盘与纽约股票收盘并不同步，不能识别因果渠道。"],"columns":[["Year","年份"],["Matched intervals N","同期区间 N"],["Pearson correlation","Pearson 相关系数"]],"rows":[["2011","252","0.100"],["2012","250","0.093"],["2013","252","-0.099"],["2014","252","-0.039"],["2015","252","0.050"],["2016","252","-0.035"],["2017","251","0.057"],["2018","251","0.087"],["2019","252","-0.125"],["2020","253","0.439"],["2021","252","0.253"],["2022","251","0.576"],["2023","250","0.159"],["2024","252","0.357"],["2025","250","0.423"]]},{"file":"market-structure-activity.png","width":1351,"height":758,"caption":["Figure 4. OKX spot quote-volume share versus observed-hour share. New York clock buckets are not a measurement of US ownership or exact exchange sessions.","图四：OKX 现货计价成交额占比与观测小时占比对照。纽约时钟分桶不能测量美国持有权，也不等于精确交易所开市时段。"],"columns":[["Sample","样本"],["Hours N","小时 N"],["NY weekend hours (%)","纽约周末小时占比（%）"],["NY weekend volume (%)","纽约周末成交额占比（%）"],["NY weekday bucket hours (%)","纽约工作日观察桶小时占比（%）"],["NY weekday bucket volume (%)","纽约工作日观察桶成交额占比（%）"]],"rows":[["2022–2023","15456","28.57","17.63","17.86","28.71"],["2024–2025","17520","28.52","17.78","17.88","28.91"]]}],"methods":[{"heading":["A history of access, not a handover from retail to institutions","这是渠道变化史，不是散户向机构交出市场的时间表"],"paragraphs":[["“Retail before a particular year, institutional afterwards” is an attractive but unproven summary. A product’s availability tells us who could gain access through that channel, not who owned most coins or set the marginal price. The same person can use a native exchange, a brokerage product and a hedge at once; an institutional manager can also represent retail clients.","“某年之前是散户，之后是机构”很容易理解，却不是已经证明的总结。产品可用说明有人能够通过该渠道参与，不说明谁持有最多币或决定边际价格。同一参与者可以同时使用原生交易所、券商产品和对冲，机构管理人也可能代表零售客户。"],["We use four descriptive periods: an early sample before CME’s launch; the first regulated-futures period; a 2020-to-early-2024 cross-market comparison; and the period beginning with US spot ETP approval. Their boundaries are editorial choices anchored to public events or calendar periods. They were not estimated as statistical breaks, and each contains heterogeneous market conditions.","本文使用四个描述性阶段：CME 上线前的早期样本、受监管期货起步期、2020 至 2024 年初的跨市场比较期，以及美国现货 ETP 获批后的期间。边界根据公开事件或日历选取，属于编辑上的研究分组，不是统计估计的断点；每段内部仍有不同市场环境。"]]},{"heading":["Three documented milestones, with precise meanings","三个官方节点，各自代表什么"],"paragraphs":[["CME’s Bitcoin futures began trading in the 17 December 2017 evening session for a first trade date of 18 December. The contracts provided a cash-settled regulated derivative, not ownership of spot coins by every futures trader. CME subsequently listed Micro Bitcoin futures on 3 May 2021. Smaller contracts broaden the available product set; their existence does not identify the nationality or ultimate beneficial owner of a position.","CME 比特币期货在 2017 年 12 月 17 日晚间时段开始交易，首个交易日为 12 月 18 日。它提供现金结算的受监管衍生品，并不意味着每位期货交易者都持有现货。CME 随后于 2021 年 5 月 3 日上市微型比特币期货。较小合约扩展了产品选择，但不能识别仓位的国籍或最终受益持有人。"],["On 10 January 2024, the SEC approved listing and trading of multiple US spot Bitcoin ETP shares. That is an approval milestone, not a claim that every product started trading at that instant or that the SEC endorsed Bitcoin. Brokerage distribution and fund structures can change access, custody and portfolio workflows without proving an immediate change in market control.","2024 年 1 月 10 日，SEC 批准多只美国现货比特币 ETP 份额上市交易。这是批准节点，不代表所有产品在同一时刻开市，也不代表 SEC 认可比特币。券商分销与基金结构可能改变参与、托管和组合流程，但不能证明市场控制权立即改变。"]]},{"heading":["Risk changed, but “mature” does not mean low-risk","风险有变化，“成熟”却不等于低风险"],"paragraphs":[["In the recalculated daily sample, pooled annualised volatility is 106.26% before the CME boundary and 47.48% in the final period. P99 absolute daily returns are 24.60% and 8.34%, respectively. The annual chart shows that the path is not a steady decline. Early markets also differ in size, venue coverage and data quality, so this is not a clean institutionalisation experiment.","重新计算的日样本中，CME 边界之前的汇总年化波动为 106.26%，最后一段为 47.48%；日绝对收益 P99 分别为 24.60% 和 8.34%。年度图表显示，这不是一路平稳下降的过程。早期市场规模、交易所覆盖与数据质量也不同，因此这不是干净的机构化实验。"],["The last period still has a within-period closing-price drawdown of 32.08%. Its shorter length and particular market path limit comparison with older periods. Each drawdown resets its running high at the start of the displayed segment; it is not the drawdown from Bitcoin’s all-time high or a realised investor loss. Daily closes can miss larger intraday stress.","最后一段仍有 32.08% 的段内收盘价最大回撤；期间较短且行情路径不同，限制了与更早阶段比较。各段回撤都在段首重新计算累计高点，不是从比特币历史最高点计算的回撤，也不是某位投资者的实际损失。日收盘还可能遗漏更大的日内压力。"]]},{"heading":["Cross-market association increased in this sample","本样本中的跨市场关联增强"],"paragraphs":[["BTC–SPY return correlation is 0.010 in the first CME-era segment, 0.388 in the 2020-to-early-2024 segment and 0.363 in the final segment. Annual estimates vary. This is consistent with studying shared risk conditions, not with treating Bitcoin as permanently independent of equities or assigning all co-movement to institutional demand.","BTC–SPY 收益相关在 CME 起步片段为 0.010，在 2020 至 2024 年初片段为 0.388，最后一段为 0.363；年度估计也会变化。这支持研究共同风险环境，不能把比特币永久视为独立于股票，也不能把所有共变归给机构需求。"],["The IMF independently documented stronger crypto–equity connections across pre-pandemic and pandemic samples. Its dates, sources and estimation conventions differ from ours, so our table is not presented as a replication of its exact estimates. Shared monetary conditions, risk appetite, leverage and participant overlap are candidate explanations that need separate evidence.","IMF 的独立研究也记录了疫情前后样本中加密与股票联系增强。其日期、来源和估计口径与本文不同，因此本表不声称复现其精确数值。共同货币环境、风险偏好、杠杆与参与者重叠，都是需要分别取证的候选解释。"]]},{"heading":["The recent clock-bucket test does not show a sharp US-session shift","近年时钟分桶没有显示美国时段占比突升"],"paragraphs":[["In the available OKX hourly sample, the New York weekday 10:00–16:00 clock bucket accounts for 28.71% of quote volume in the first comparison and 28.91% in the second, against approximately 17.86% and 17.88% of observed hours. Weekend volume shares are 17.63% and 17.78%, below their approximately 28.57% and 28.52% shares of hours. There is activity concentration in these clock buckets, but little change between the two samples.","可用 OKX 小时样本中，纽约工作日 10:00–16:00 观察桶的计价成交额占比分别为 28.71% 与 28.91%，对应观测小时占比约 17.86% 与 17.88%。周末成交额占比为 17.63% 与 17.78%，低于约 28.57% 与 28.52% 的小时占比。时钟桶之间存在活动集中，但两个样本之间变化很小。"],["This does not support a story of an abrupt migration into US hours after ETF access in this venue sample. It also cannot disprove changes elsewhere. Time zones identify clock time, not trader residence. We adjust for New York daylight saving time but do not remove exchange holidays or early closes, so the weekday bucket must not be labelled the exact US stock-market session.","这不支持在该交易所样本中把 ETF 渠道扩大写成美国时段占比骤升，也不能否定其他场所的变化。时区识别的是时钟时间，不是交易者居住地。本文处理纽约夏令时，但没有剔除交易所假日或提前收盘，因此工作日观察桶不能标为精确的美国股市开市时段。"]]},{"heading":["Methods, coverage and the limits of comparison","方法、覆盖与比较边界"],"paragraphs":[["Daily risk statistics use Coin Metrics BTC PriceUSD from a prior-day baseline at 31 December 2010 through 31 December 2025. Simple close-to-close percentage returns require consecutive calendar days; all dates in that range are present with positive prices. Volatility is the sample standard deviation multiplied by sqrt(365). P99 uses sorted absolute returns at floor((N − 1) × 0.99), without interpolation. Full-year observations stop at 2025 even though this article was reviewed in 2026.","日风险统计使用 Coin Metrics BTC PriceUSD，从 2010 年 12 月 31 日的前日基准至 2025 年 12 月 31 日。简单收盘百分比收益要求日历连续，该范围日期齐全且价格为正。波动为样本标准差乘以 365 的平方根；P99 取绝对收益排序后 floor((N − 1) × 0.99) 位置，不插值。虽然文章在 2026 年复核，完整年度统计止于 2025 年。"],["For correlation we match BTC UTC closing-price labels to saved adjusted SPY daily-price labels, then calculate returns between successive matched equity dates. A Monday BTC interval therefore includes the weekend. The equity close occurs in New York before the same-labelled UTC crypto close, so the clocks are not synchronous. This broad association measure is not an exact-session or announcement-response study. SPY is an equity-market proxy, not the S&P 500 index series itself.","相关性先把 BTC UTC 收盘日期标签与保存的 SPY 复权日价格标签匹配，再在连续匹配的股票日期之间计算收益，因此周一 BTC 区间包含周末。纽约股票收盘早于同标签的 UTC 加密收盘，两个时钟并不同步。这是广义关联指标，不是精确交易时段或公告反应研究；SPY 是股票市场代理，不是标普 500 指数序列本身。"],["The activity samples cover 28 March 2022–31 December 2023 and calendar 2024–2025, with 15,456 and 17,520 retained hourly bars. We use confirmed OKX BTC-USDT spot candles, validate unique aligned timestamps, finite OHLCV, price ranges and non-negative volumes, and retain UTC days with all 24 hours. The latter window has one incomplete UTC day excluded. Quote volume is summed in USDT; these single-venue measurements are separate from the USD daily-price dataset and do not measure global volume.","活动样本覆盖 2022 年 3 月 28 日至 2023 年 12 月 31 日，以及 2024–2025 自然年，分别保留 15,456 与 17,520 根小时 K 线。使用确认的 OKX BTC-USDT 现货数据，检查时间唯一且对齐、有限 OHLCV、价格范围与非负成交量，并保留全部 24 小时齐全的 UTC 日；后一窗口排除一个不完整 UTC 日。计价成交额按 USDT 加总；单交易所统计独立于美元日价格数据，也不代表全球成交。"]]},{"heading":["What would actually measure institutional participation?","什么数据才能更接近机构参与"],"paragraphs":[["CME open interest and CFTC trader categories can describe a regulated derivatives channel; futures contain both longs and shorts. ETP units and BTC holdings, creations and redemptions can describe a fund channel; secondary-market turnover and rising dollar AUM are not the same as fresh net buying. ETP share buyers can include retail investors. A converted trust’s existing inventory must not all be counted as new inflow.","CME 未平仓量与 CFTC 交易者分类可以描述受监管衍生品渠道，但期货同时存在多头和空头。ETP 份额、BTC 持仓、创设与赎回可以描述基金渠道；二级成交额和上涨的美元资产规模不等于新增净买入，份额买家也可能是散户。原信托转换时的既有库存，不能全部算作新流入。"],["Form 13F provides a delayed and incomplete view of some managers’ reportable securities holdings, rather than their complete net Bitcoin exposure. Short positions are not subtracted from the reported long holdings. Wallet size is also not a reliable retail/institutional label because custodians aggregate many users. We have not assembled a validated CME, ETP-flow or 13F time series for this article, and publish no institutional ownership percentage.","13F 对部分管理人的应申报证券持仓提供滞后且不完整的观察，不是其完整比特币净敞口；申报多头不会扣去空头。钱包大小也不是可靠的散户或机构标签，因为托管人会聚合大量用户。本文尚未建立经核验的 CME、ETP 资金流或 13F 时间序列，因此不公布机构持有占比。"]]},{"heading":["Three forward scenarios and what could falsify them","三个未来情景，以及如何检验"],"paragraphs":[["Broader brokerage distribution could increase the importance of fund and derivatives channels. To test that scenario, monitor units and BTC held rather than AUM alone, net creations and redemptions, comparable CME open interest and the persistence of clock-bucket changes across venues. Stable or shrinking channel measures would weaken a simple story of continually rising institutional influence. This is a scenario, not a forecast of price direction.","券商分销扩大，可能提高基金与衍生品渠道的重要性。检验时应观察份额和 BTC 持仓而非只看美元规模、净创设赎回、可比 CME 未平仓量，以及跨交易所时钟桶变化是否持续。如果渠道指标稳定或萎缩，就会削弱机构影响不断扩大的简单叙事。这是情景，不是价格方向预测。"],["A second possibility is segmentation: access and liquidity may broaden for BTC without doing the same for long-tail tokens. A third is stress concentration: a market with more professional intermediaries may still lose liquidity when many participants reduce risk together. Test these with cross-asset coverage, spreads, depth and stress-period withdrawals. Neither “institutions remove crashes” nor “all altcoins follow the same institutional cycle” is established by our sample.","第二种可能是分化：BTC 的参与与流动性渠道扩大，却未必同样覆盖长尾代币。第三种可能是压力集中：专业中介更多的市场，仍可能在参与者同时降风险时失去流动性。应使用跨资产覆盖、价差、深度与压力期间资金退出数据检验。本样本既没有确立“机构消除暴跌”，也没有确立“所有山寨都遵循同一机构周期”。"]]},{"heading":["When did institutions start entering the Bitcoin market?","比特币从什么时候开始有机构入场？"],"paragraphs":[["There is no single transition date established here. CME futures and spot Bitcoin ETPs, commonly discussed as spot ETFs, document expanded access. Their launch dates do not identify who traded, the institutional share of ownership or when institutions took control.","本文没有确定单一转型日期。CME 期货与常被称作现货 ETF 的比特币 ETP，说明参与渠道扩大；上线日期不能识别交易者身份、机构持有比例或机构何时接管市场。"]]},{"heading":["Did spot Bitcoin ETFs make BTC move like the stock market?","现货比特币 ETF 让 BTC 更像美股了吗？"],"paragraphs":[["The article reports BTC–SPY historical association across selected periods, not the isolated effect of ETF access. Market conditions and the alignment of equity and crypto closing times affect comparisons. SPY is a stock-market proxy, not a measure of institutional Bitcoin ownership.","本文报告选定期间的 BTC—SPY 历史关联，没有分离 ETF 渠道的影响。市场环境及股票、加密收盘时钟对齐会影响比较；SPY 是股票市场代理，不是比特币机构持有量指标。"]]}],"limitations":["Descriptive, unequal-length periods chosen around known milestones; no causal identification, statistically estimated transition date or ownership census. Daily and hourly sources, currencies and clocks differ and remain separate. The activity sample begins in 2022, and no validated fund-flow or institutional-position series has been assembled. Future scenarios are testable hypotheses, not predictions or trading rules.","围绕已知节点选取、长度不等的描述性分段，没有因果识别、统计估计转型日或持有者全集。日与小时来源、计价币种和时钟不同，保持分开；活动样本始于 2022 年，尚未建立核验的基金流或机构持仓序列。未来情景是待检验假说，不是预测或交易规则。"],"sources":[{"title":["CME: Bitcoin futures launch and first trade date","CME：比特币期货上线与首个交易日"],"url":"https://www.cmegroup.com/media-room/press-releases/2017/12/01/cme_group_self-certifiesbitcoinfuturestolaunchdec18.html"},{"title":["CME: initial listing of Micro Bitcoin futures","CME：微型比特币期货初始上市通知"],"url":"https://www.cmegroup.com/notices/ser/2021/03/SER-8746.html"},{"title":["SEC: approval of spot Bitcoin ETP shares","SEC：现货比特币 ETP 份额获批声明"],"url":"https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023"},{"title":["Coin Metrics: public BTC daily data and price definitions","Coin Metrics：公开 BTC 日数据与价格定义"],"url":"https://github.com/coinmetrics/data/blob/master/csv/btc.csv"},{"title":["Coin Metrics: UTC closing-price convention","Coin Metrics：UTC 日收盘价格口径"],"url":"https://docs.coinmetrics.io/network-data/network-data-overview/market/price"},{"title":["SPY historical equity-price data provider","SPY 历史股票价格提供方"],"url":"https://finance.yahoo.com/quote/SPY/history/"},{"title":["OKX market data documentation","OKX 行情数据文档"],"url":"https://www.okx.com/docs-v5/en/#rest-api-market-data-get-candlesticks-history"},{"title":["IMF: crypto–equity connections across market conditions","IMF：不同市场环境下的加密与股票联系"],"url":"https://www.imf.org/en/Blogs/Articles/2022/01/11/crypto-prices-move-more-in-sync-with-stocks-posing-new-risks"},{"title":["SEC: Form 13F scope and reporting limitations","SEC：13F 范围与申报局限"],"url":"https://www.sec.gov/divisions/investment/13ffaq"},{"title":["CFTC: historical Commitments of Traders data","CFTC：历史交易者持仓报告数据"],"url":"https://www.cftc.gov/MarketReports/CommitmentsofTraders/HistoricalCompressed/index.htm"}]}