■ 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 — 340 — is the max pain price.
Open interest by strike · Fri, Nov 20
■ calls (up)■ puts (down)AYI open contracts per strike for Fri, Nov 20.
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, Nov 20
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Nov 20
— call IV— put IVATM ≈ 33.4% · 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
-0.07
290
0.0027
0.37
-0.07
-0.12
0.85
-0.08
300
0.0032
0.43
-0.08
-0.15
0.82
-0.09
310
0.0038
0.49
-0.09
-0.18
0.78
-0.10
320
0.0045
0.56
-0.10
-0.23
0.73
-0.11
330
0.0051
0.62
-0.11
-0.28
0.67
-0.12
340
0.0057
0.67
-0.12
-0.33
0.61
-0.12
350
0.0062
0.71
-0.12
-0.39
0.55
-0.12
360
0.0065
0.73
-0.13
-0.46
0.48
-0.12
370
0.0066
0.74
-0.13
-0.53
0.42
-0.12
380
0.0065
0.73
-0.13
-0.59
0.36
-0.11
390
0.0062
0.70
-0.12
-0.66
0.30
-0.11
400
0.0058
0.65
-0.11
-0.71
0.26
-0.10
410
0.0054
0.60
-0.11
-0.77
0.21
-0.09
420
0.0048
0.55
-0.10
-0.81
0.18
-0.08
430
0.0043
0.49
-0.09
-0.85
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 30 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.