--- title: "Why did BIRB drop 6.47% in 1 minute? Evidence check: Moonbirds falls sharply in one-minute move while other tracked coins stay flat · 2026-10-24" description: "Moonbirds dropped sharply over a one-minute window on Gate's USDT market, a move described as isolated with none of the other tracked coins moving in the same direction and none moving further. It came with no matching move in Bitcoin. The derivatives picture shows no clear driver, and no report in…" language: en canonical: "https://whycoinmoves.com/en/events/moonbirds-move-1792819500" published: 2026-10-24T05:26:00.000Z updated: 2026-10-24T06:27:01.000Z indexable: true --- # Why did BIRB drop 6.47% in 1 minute? Evidence check: Moonbirds falls sharply in one-minute move while other tracked coins stay flat · 2026-10-24 Moonbirds dropped sharply over a one-minute window on Gate's USDT market, a move described as isolated with none of the other tracked coins moving in the same direction and none moving further. It came with no matching move in Bitcoin. The derivatives picture shows no clear driver, and no report in… Nearby report sources (context, not confirmed causes): No matching source available ## Key facts BIRB changed -6.47% in 1 minute (24/10/2026, 05:24 to 24/10/2026, 05:25, UTC; Gate · USDT). The cause remains unresolved. After site detection, observed returns were 5 minutes: +1.34% (difference from BTC +1.38 pp; 24/10/2026, 05:26 → 24/10/2026, 05:31, UTC; Gate · USDT); 1 hour: -1.75% (difference from BTC -1.76 pp; 24/10/2026, 05:26 → 24/10/2026, 06:26, UTC; Gate · USDT). Unlisted windows are unavailable. In the preceding 30 days, the 99th percentile of absolute hourly returns was 14.71% (Gate · USDT; cutoff 24/10/2026, 05:25, 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 | +1.34% | -0.04% | +1.38 pp | 24/10/2026, 05:26 → 24/10/2026, 05:31 | Gate · USDT | | 1 hour | -1.75% | +0.01% | -1.76 pp | 24/10/2026, 05:26 → 24/10/2026, 06:26 | Gate · USDT | | 24 hours | — | — | — | — | — | ## Detected price interval | Metric | Value | | --- | --- | | Window | 1 min | | Sampled prices | 0.1701 → 0.15909 | | Return / BTC difference | -6.47% / -6.47 pp | | Detection threshold | 5.250015419404159% | | 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 | 14.71% | | BTC beta | 0.28 | | Source / cutoff (UTC) | Gate · USDT / 24/10/2026, 05:25 | ## Claims and open questions - Was the move tied to an exchange listing or notice, a project announcement, on-chain flows or broader market news? ## Source evidence ## Recent BIRB events and market reactions - [Why did BIRB go up 8.28% in 60 minutes? Evidence check: Moonbirds rises sharply in an isolated one-hour move · 2026-10-24]() — Received 24/10/2026, 06:59 (UTC) · Cause unresolved · Market watch · 5m +0.66% - [Why did BIRB go up 10.62% in 5 minutes? Evidence check: Moonbirds rises sharply in isolated five-minute move · 2026-10-24]() — Received 24/10/2026, 03:31 (UTC) · Cause unresolved · Market watch · 5m -1.70% / 1h +12.05% - [Why did BIRB drop 4.31% in 1 minute? Evidence check: Moonbirds falls sharply in one-minute move while other tracked coins hold steady · 2026-10-24]() — Received 24/10/2026, 02:36 (UTC) · Cause unresolved · Market watch · 5m -2.40% / 1h -5.80% - [Full coin archive]() ## Research for this archive - [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns]() - [Crypto liquidity and order book depth: a historical data audit]() - [Perpetual funding rates and annualized yield: a 2025 comparison]() - [Bitcoin halving and bull markets: evidence from four halvings]() [Methods and limitations]() Publisher count is not independent evidence count. Price changes cannot verify news or prove causation.