■ 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 — 165 — is the max pain price.
Open interest by strike · Fri, Oct 23
■ calls (up)■ puts (down)HSY open contracts per strike for Fri, Oct 23.
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, Oct 23
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Oct 23
— call IV— put IVATM ≈ 24.0% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Oct 23
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, Oct 23
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.98
-0.03
152.5
0.0051
0.01
-0.03
-0.02
0.97
-0.04
155
0.0074
0.02
-0.04
-0.03
0.96
-0.05
157.5
0.0111
0.02
-0.05
-0.04
0.93
-0.07
160
0.0167
0.03
-0.07
-0.07
0.90
-0.09
162.5
0.0254
0.04
-0.09
-0.10
0.83
-0.11
165
0.0382
0.06
-0.11
-0.17
0.73
-0.14
167.5
0.0545
0.08
-0.14
-0.27
0.58
-0.16
170
0.0680
0.09
-0.16
-0.42
0.41
-0.16
172.5
0.0680
0.09
-0.16
-0.59
0.27
-0.14
175
0.0550
0.08
-0.14
-0.74
0.17
-0.11
177.5
0.0393
0.06
-0.11
-0.84
0.11
-0.09
180
0.0269
0.04
-0.09
-0.90
0.05
-0.05
185
0.0127
0.03
-0.05
-0.96
0.03
-0.03
190
0.0064
0.01
-0.03
-0.98
0.01
-0.02
195
0.0035
0.01
-0.02
-0.99
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 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.