■ 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 — 160 — is the max pain price.
Open interest by strike · Fri, Feb 19
■ calls (up)■ puts (down)AGM open contracts per strike for Fri, Feb 19.
Open-interest change — building vs unwinding
Needs two observed snapshot days for this expiration — the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Fri, Feb 19
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Feb 19
— call IV— put IVATM ≈ 28.2% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Feb 19
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, Feb 19
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.96
-0.00
145
0.0014
0.14
-0.02
-0.04
0.95
-0.01
150
0.0017
0.16
-0.02
-0.05
0.93
-0.01
160
0.0023
0.21
-0.02
-0.07
0.92
-0.01
165
0.0026
0.24
-0.02
-0.09
0.90
-0.02
170
0.0031
0.27
-0.03
-0.10
0.82
-0.03
190
0.0051
0.42
-0.04
-0.18
0.79
-0.03
195
0.0057
0.45
-0.04
-0.21
0.44
-0.04
240
0.0091
0.63
-0.04
-0.58
0.35
-0.04
250
0.0087
0.59
-0.04
-0.67
0.28
-0.04
260
0.0079
0.54
-0.04
-0.75
0.22
-0.03
270
0.0069
0.47
-0.03
-0.81
0.17
-0.03
280
0.0058
0.40
-0.02
-0.87
0.13
-0.02
290
0.0048
0.34
-0.02
-0.91
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 13 strikes around the money — all 23 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 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.