--- title: "Why did BIRB drop 17.95% in 60 minutes? Evidence check: Moonbirds falls sharply in an isolated one-hour move · 2026-10-24" description: "BIRB -17.95% in 1 hour on Gate · USDT, Oct 24 UTC: no news found. Moonbirds fell sharply over a one-hour window while few other tracked coins moved in the same direction and none did so as steeply, pointing to an isolated move rather than a market-wide one. Bitcoin barely moved over the same window…" language: en canonical: "https://whycoinmoves.com/en/events/moonbirds-move-1792841820" published: 2026-10-24T11:37:58.000Z updated: 2026-10-24T12:38:10.000Z indexable: true --- # Why did BIRB drop 17.95% in 60 minutes? Evidence check: Moonbirds falls sharply in an isolated one-hour move · 2026-10-24 BIRB -17.95% in 1 hour on Gate · USDT, Oct 24 UTC: no news found. Moonbirds fell sharply over a one-hour window while few other tracked coins moved in the same direction and none did so as steeply, pointing to an isolated move rather than a market-wide one. Bitcoin barely moved over the same window… Nearby report sources (context, not confirmed causes): No matching source available ## Key facts BIRB changed -17.95% in 60 minutes (24/10/2026, 10:37 to 24/10/2026, 11:37, UTC; Gate · USDT). The cause remains unresolved. After site detection, observed returns were 5 minutes: +1.99% (difference from BTC +1.99 pp; 24/10/2026, 11:38 → 24/10/2026, 11:43, UTC; Gate · USDT); 1 hour: +1.74% (difference from BTC +1.51 pp; 24/10/2026, 11:38 → 24/10/2026, 12:38, UTC; Gate · USDT). Unlisted windows are unavailable. In the preceding 30 days, the 99th percentile of absolute hourly returns was 16.06% (Gate · USDT; cutoff 24/10/2026, 11:37, UTC). This hourly baseline is not directly comparable with a minute move. ## Returns after site detection | Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source | | --- | --- | --- | --- | --- | --- | | 5 minutes | +1.99% | -0.00% | +1.99 pp | 24/10/2026, 11:38 → 24/10/2026, 11:43 | Gate · USDT | | 1 hour | +1.74% | +0.22% | +1.51 pp | 24/10/2026, 11:38 → 24/10/2026, 12:38 | Gate · USDT | | 24 hours | — | — | — | — | — | ## Detected price interval | Metric | Value | | --- | --- | | Window | 60 min | | Sampled prices | 0.14192 → 0.11644 | | Return / BTC difference | -17.95% / -17.86 pp | | Residual after BTC beta | -17.93 pp · Recorded model-adjusted difference; includes model error and other shared factors. Not a pure coin-specific effect. | | Detection threshold | 8% | | Source | Gate · USDT | [Research: announcement timing and causality]() ## Historical hourly baseline | Metric | Value | | --- | --- | | Ready | true | | Coverage | 100.0% (720/720) | | Median absolute hourly return | 0.51% | | 99th percentile of absolute hourly returns | 16.06% | | BTC beta | 0.28 | | Source / cutoff (UTC) | Gate · USDT / 24/10/2026, 11:37 | ## Claims and open questions - An exchange listing or notice, a project announcement, on-chain flows or broader market news that would explain the move ## Source evidence ## Recent BIRB events and market reactions - [Why did BIRB go up 10.68% in 60 minutes? Evidence check: Moonbirds climbs sharply in an isolated one-hour move · 2026-10-24]() — Received 24/10/2026, 12:08 (UTC) · Cause unresolved · Market watch · 5m +1.00% / 1h +2.68% - [Why did BIRB drop 11.54% in 60 minutes? Evidence check: Moonbirds falls sharply in isolated one-hour move · 2026-10-24]() — Received 24/10/2026, 10:37 (UTC) · Cause unresolved · Market watch · 5m -3.37% / 1h -15.16% - [Why did BIRB drop 9.18% in 60 minutes? Evidence check: Moonbirds falls sharply over a one-hour window · 2026-10-24]() — Received 24/10/2026, 09:14 (UTC) · Cause unresolved · Market watch · 5m +0.75% / 1h -0.38% - [Why did BIRB drop 9.99% in 5 minutes? Evidence check: Moonbirds falls sharply in five-minute move as other tracked coins diverge · 2026-10-24]() — Received 24/10/2026, 08:02 (UTC) · Cause unresolved · Market watch · 5m +2.43% / 1h -2.26% - [Why did BIRB go up 16.26% in 60 minutes? Evidence check: Moonbirds rises sharply in an isolated one-hour move · 2026-10-24]() — Received 24/10/2026, 08:00 (UTC) · Cause unresolved · Market watch · 5m -5.88% / 1h -11.92% - [Full coin archive]() ## Research for this archive - [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns]() - [Will Bitcoin go back up? Every crash since 2011 and its recovery time]() - [Do XRP and Solana ETF flows move the price? First-year data]() - [Crypto liquidity and order book depth: a historical data audit]() [Methods and limitations]() Publisher count is not independent evidence count. Price changes cannot verify news or prove causation.