Event risk before this expiration:FOMC decision Wed, Oct 28 · Jobs report Fri, Nov 6 · CPI release Tue, Nov 10 — macro releases historically overwhelm pinning effects; max pain reads weakest in event weeks.
■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 170 — is the max pain price.
Open interest by strike · Fri, Nov 20
■ calls (up)■ puts (down)COIN open contracts per strike for Fri, Nov 20.
Open-interest change · 2026-10-23 → 2026-10-26
Net contracts opened (up, green) or closed (down, red) per strike since the previous snapshot: where the walls are building and where they’re unwinding. Only strikes observed on both days are compared; 1 strike was in only one day’s snapshot (each keeps its largest strikes) and is left out. Biggest moves: 90 +828 · 170 +230 · 230 +200 · 100 +158
Volume by strike · Fri, Nov 20
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Nov 20
— call IV— put IVATM ≈ 73.1% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Nov 20
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Fri, Nov 20
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.88
-0.13
130
0.0066
0.09
-0.13
-0.13
0.83
-0.16
135
0.0080
0.10
-0.16
-0.17
0.79
-0.18
140
0.0095
0.12
-0.18
-0.22
0.73
-0.21
145
0.0109
0.14
-0.21
-0.27
0.67
-0.23
150
0.0120
0.15
-0.23
-0.33
0.60
-0.24
155
0.0128
0.16
-0.24
-0.40
0.57
-0.24
157.5
0.0130
0.16
-0.25
-0.43
0.54
-0.25
160
0.0132
0.16
-0.25
-0.46
0.47
-0.25
165
0.0132
0.16
-0.25
-0.53
0.44
-0.24
167.5
0.0131
0.16
-0.25
-0.56
0.41
-0.24
170
0.0129
0.16
-0.24
-0.59
0.38
-0.24
172.5
0.0126
0.16
-0.24
-0.62
0.35
-0.23
175
0.0123
0.15
-0.23
-0.65
0.33
-0.22
177.5
0.0119
0.15
-0.23
-0.68
0.30
-0.22
180
0.0115
0.14
-0.22
-0.70
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 51 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain history — nearest expiry vs price
— max pain (nearest expiry)- - delayed closeOne point per snapshot day since 2026-07-28; unobserved days are gaps, not guesses.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.