+336% since previous close · PANW $357.5 Call · $5.20 → $22.66
Oct 22, 2026 daily close → Oct 23, 2026 session aggregate close. These are historical price changes, before costs.
PANW stock: +6.95% since the previous close · $379.58 at Oct 23, 2:57 PM ET.
What happened
- PANW rose 7.03% to $379.8857 in the saved October 23, 2:51 PM ET stock snapshot versus the $354.92 October 22 close, ranking third among the measured positive movers. The option observations below have their own saved timestamps.
- The app’s PANW buy signal was published earlier on October 23. That signal is dated context; the call comparisons begin at the prior session close and do not establish an entry at the signal time or a cause for the rally.
- The $357.50 call expiring October 23 moved from a $5.20 October 22 daily close to $22.66 at the October 23 2:57 PM ET aggregate: +335.77%. One standard 100-share contract increased from $520 to $2,266, a $1,746 change before costs.
- The $350 call expiring November 20 moved from a $28.15 October 22 daily close to $44.70 at the October 23 2:42 PM ET aggregate: +58.79%. One standard 100-share contract increased from $2,815 to $4,470, a $1,655 change before costs.
- PANW’s corresponding stock minute-bar opens were approximately $379.58 at 2:57 PM ET and $380.17 at 2:42 PM ET, up 6.95% and 7.12% from the previous close. These are approximate time matches to the respective option observations.
- The October 23 call had previous/current snapshot volumes of 137/98 and open interest of 301; the November 20 call had volumes of 76/984 and open interest of 836. These figures do not identify buying direction.
- If PANW fell 100% to $0 and these bought, unexercised calls became worthless, maximum premium losses would be $520 and $2,815 per contract respectively, plus fees. The loss cap does not describe exercised shares.
- The near-expiry and about-one-month calls qualified; no about-one-year call is included. These returns are measured since the previous close, not verified overnight opening-gap returns.
Quick Take
If PANW fell 100% to $0 and this bought call became worthless, your maximum premium loss would be $5.20 per share ($520.00 for one 100-share contract). In this case, PANW moved +6.95% since the previous close using an approximate minute-bar reference near the option snapshot, and the call went from $5.20 to $22.66 per share: $2,266.00 ending value and $1,746.00 gain for one contract, before costs.
- Previous stock price
- $354.92
- Strike
- $357.50
- Breakeven at expiry
- $362.70
Payoff · $5.20 → $22.66 / share · +335.77%
One contract: $520.00 → $2,266.00 · +$1,746.00 gain before costs
Per 100-share contract: $520.00 → $2,266.00
Maximum premium loss: $520.00 if the stock falls 100% to $0 and the bought call becomes worthless.
Ending value: $2,266.00 · Gain: $1,746.00, before costs.
Snapshot: Oct 23, 2:57 PM ETPer 100-share contract: $2,815.00 → $4,470.00
Maximum premium loss: $2,815.00 if the stock falls 100% to $0 and the bought call becomes worthless.
Ending value: $4,470.00 · Gain: $1,655.00, before costs.
Snapshot: Oct 23, 2:42 PM ET