# Bitcoin and Ethereum options: open interest walls, gamma exposure and DVOL

Open interest walls by strike (the call wall above spot, the put wall below it), dealer gamma exposure with the zero-gamma level and the expiry structure, from the listed option chains of Deribit, Bybit, Binance, OKX and Delta Exchange, summed or one venue at a time; plus Deribit's DVOL implied volatility index. Daily snapshot at 00:25 UTC.

Source: https://bykaranteli.com/options · attribute to ByKaranteli and quote the timestamp.

Coverage: Venues contributing: 5 of 5 · all fresh · as of 00:25 UTC

## Last 24 hours, hour by hour

BTC hour 2026-10-20 06:00 UTC, venues binance, bybit, delta, deribit, okx, spot 82077.
Front expiry 23OCT26 ATM IV 31.5% (hourly points: 25).

| Expiry | Days | Open interest (coins) | 1h change | 24h change | ATM IV % | IV 24h (pp) | Max pain |
| --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| 21OCT26 | 1 | 5851.0 | +250.2 | +4212.6 | 29.7 | -1.7 | 82000 |
| 22OCT26 | 2 | 2007.0 | +45.7 | +1640.5 | 30.8 | -0.6 | 82000 |
| 23OCT26 | 3 | 23619.5 | -34.4 | +925.3 | 31.2 | -0.4 | 82000 |
| 30OCT26 | 10 | 174823.5 | +27.5 | -422.5 | 32.7 | -0.6 | 79000 |
| 6NOV26 | 17 | 7448.4 | +36.4 | +313.7 | 36.6 | -0.2 | 82000 |
| 13NOV26 | 24 | 191.7 | 0.0 | +51.8 | 36.4 | -0.2 | 82000 |
| 27NOV26 | 38 | 33116.1 | +53.3 | +543.8 | 36.3 | -0.2 | 81000 |
| 25DEC26 | 66 | 145917.3 | +19.6 | +28.9 | 36.5 | 0.4 | 75000 |
| 29JAN27 | 101 | 66.0 | 0.0 | +15.4 | 37.1 | 0.1 | 84000 |
| 26MAR27 | 157 | 49009.9 | +5.3 | +165.6 | 37.7 | 0.1 | 76000 |
| 25JUN27 | 248 | 15071.7 | -0.0 | +47.2 | 38.8 | 0.1 | 70000 |
| 24SEP27 | 339 | 4531.8 | 0.0 | +21.4 | 39.2 | 0.2 | 84000 |

ETH hour 2026-10-20 06:00 UTC, venues binance, bybit, delta, deribit, okx, spot 2402.
Front expiry 21OCT26 ATM IV 43.3% (hourly points: 25).

| Expiry | Days | Open interest (coins) | 1h change | 24h change | ATM IV % | IV 24h (pp) | Max pain |
| --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| 21OCT26 | 1 | 61310.9 | +2625.0 | +39658.2 | 42.6 | -4.5 | 2400 |
| 22OCT26 | 2 | 19391.1 | +258.9 | +15108.7 | 43.6 | -3.4 | 2400 |
| 23OCT26 | 3 | 200502.2 | +176.9 | +19413.1 | 44.7 | -2.5 | 2500 |
| 30OCT26 | 10 | 568353.9 | +582.4 | +10024.5 | 46.8 | -1.8 | 2500 |
| 6NOV26 | 17 | 92976.3 | +501.2 | +7676.8 | 49.1 | -1.4 | 2450 |
| 13NOV26 | 24 | 4113.1 | +114.0 | +1804.1 | 49.3 | -0.5 | 2550 |
| 27NOV26 | 38 | 222980.7 | +793.8 | +9760.8 | 49.3 | -0.6 | 2600 |
| 25DEC26 | 66 | 814162.9 | +35.9 | +1148.8 | 50.4 | -0.3 | 2200 |
| 29JAN27 | 101 | 1029.8 | 0.0 | +237.2 | 51.2 | 0.0 | 2500 |
| 26MAR27 | 157 | 281680.9 | +2.0 | +154.3 | 51.8 | -0.5 | 2200 |
| 25JUN27 | 248 | 106202.9 | 0.0 | -23.6 | 52.8 | -0.1 | 2400 |
| 24SEP27 | 339 | 27775.3 | 0.0 | +1733.2 | 53.5 | -0.0 | 2800 |

## Related

- https://bykaranteli.com/options-flow
- https://bykaranteli.com/settlements
- https://bykaranteli.com/flow

Everything in one fetch: https://bykaranteli.com/llms-full.txt