Inovio Pharmaceuticals (INO) Options Chain

NASDAQ: INOHealth CareBiotechnology: Pharmaceutical PreparationsUSD

1.15+0.06 (+5.50%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $1.15
Put/call ratio (OI): 0.17
Put/call ratio (volume): 0.12
ATM implied volatility: 260.2%
Expected move: ±$0.9904
Open interest (C / P): 19.46K / 3.34K

INO options summary

The INO options chain for the November 20, 2026 expiration lists 7 call and 7 put contracts, with 40 days until expiration. Open interest stands at 19,459 calls and 3,339 puts, a put/call ratio of 0.17, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.00 strike is 260.2%, which implies the market expects a move of about ±$0.9904 (86.1%) in Inovio Pharmaceuticals stock by expiration.

The most open interest sits at the $3.00 call (7.13K contracts) and the $0.50 put (2.37K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

INO options chain · November 20, 2026

INO calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
847	100	612.5%	0.71	0.35	1.50	0.50	0.05	0.15	0.05	334.4%	21	2,373
3,236	3	270.3%	0.47	0.30	0.60	1.00	0.25	0.30	0.27	250.0%	10	944
INO $1.15
2,115	423	203.1%	0.25	0.10	0.30	1.50	0.30	1.00	0.62	269.5%	1	16
6,112	31	279.7%	0.19	0.15	0.30	2.00	0.40	2.00	0.93	362.5%	—	1
7,133	61	279.7%	0.10	0.10	0.15	3.00	1.00	3.00	1.90	298.4%	4	0
11	1	395.3%	0.10	0.00	0.45	4.00	2.10	3.30	3.10	545.3%	20	3
5	1	428.1%	0.05	0.00	0.45	5.00	3.10	4.20	4.00	512.5%	16	2

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the INO put/call ratio?

For the November 20, 2026 expiration, the INO put/call ratio based on open interest is 0.17 (3,339 puts vs 19,459 calls), and 0.12 based on today's volume. A ratio above 1 means more puts than calls.

What is INO's implied volatility?

At-the-money implied volatility for INO options expiring November 20, 2026 is about 260.2%, an annualized estimate of how much the market expects Inovio Pharmaceuticals stock to move.

How many INO option expiration dates are there?

INO has 12 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.