BTC closed up 0.76 % on the day, trading between 80,622 and 82,269. The high came at 09:40 UTC and the low at 20:15 UTC.
Asia, London and New York, each summed up when it closes. Times follow local opening hours.
Written from the data, not opinion.
Options positioning puts the call wall at 90,000 and the put wall at 80,000. Dealers are estimated to be long gamma, where dealer hedging tends to dampen moves.
The ask wall at 81,730 held at 02:03 UTC: about 50 BTC traded into it and price turned 118 USD away.
At 11:54 UTC a 416 BTC bid wall at 81,960 was pulled before price reached it.
At 19:40 UTC a 643 BTC bid wall at 80,850 was eaten by market orders.
Classified from every trade at the wall's own price, not from candles. What is a liquidity wall?
| Event | Wall | Time |
|---|---|---|
| Held | Ask wall 81,730 50 BTC traded into it, price turned 118 USD Open in Depth → | 02:03 UTC |
| Pulled | Bid wall 81,960 416 BTC wall, 401 BTC removed in 0.3 s, almost nothing traded Open in Depth → | 11:54 UTC |
| Eaten | Bid wall 80,850 551 BTC of 643 BTC traded away Open in Depth → | 19:40 UTC |
Deribit, OKX and Bybit open interest, end of day.
Under the usual sign assumption, dealers buy dips and sell rallies to stay hedged, which tends to calm the market around big strikes.
| Call wall Strike with the most call gamma | 90,000 from 82,000 |
| Put wall Strike with the most put gamma | 80,000 |
| Gamma flip Where total dealer gamma changes sign | 80,622 from 81,051 |
| Call wall 0DTE Expiring within 24 hours | 82,500 from 81,500 |
| Put wall 0DTE Expiring within 24 hours | 81,500 |
Largest walls within 2.5 % of price.
Share of all open BTC options.
| 19-OCT | 8,454 BTC | 1.9 % |
| 23-OCT | 19,481 BTC | 4.4 % |
| 30-OCT | 162,994 BTC | 36.5 % |
| 27-NOV | 30,301 BTC | 6.8 % |
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Open DepthMethod. Price, volume and order book from Binance USDⓈ-M BTCUSDT. Option levels use open interest from Deribit, OKX and Bybit with the common assumption that dealers are long calls and short puts; it is an estimate, not measured positioning. A wall is "held" when trades hit it and price turned, "pulled" when it vanished within seconds with almost nothing traded, "eaten" when most of it was traded away. Times are UTC. Updated 19 Oct 07:13 UTC.