Regencell Bioscience (RGC) Options Chain

NASDAQ: RGCHealth Care Medicinal Chemicals and Botanical Products USD

7.35-0.28 (-3.67%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $7.35
Put/call ratio (OI): 3.27
Put/call ratio (volume): 0.28
ATM implied volatility: 111.4%
Expected move: ±$3.53
Open interest (C / P): 925 / 3.02K

RGC options summary

The RGC options chain for the December 18, 2026 expiration lists 15 call and 13 put contracts, with 68 days until expiration. Open interest stands at 925 calls and 3,024 puts, a put/call ratio of 3.27, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $7.50 strike is 111.4%, which implies the market expects a move of about ±$3.53 (48.1%) in Regencell Bioscience stock by expiration.

The most open interest sits at the $5.00 call (379 contracts) and the $2.50 put (2.22K contracts).

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

RGC options chain · December 18, 2026

RGC 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
5	15	222.7%	4.20	2.70	7.50	2.50	0.00	0.15	0.12	160.9%	1	2,220
379	240	105.5%	2.40	0.40	4.90	5.00	0.00	1.05	0.90	134.8%	2	6
RGC $7.35
11	30	102.3%	1.33	0.00	2.45	7.50	1.20	2.00	1.80	120.5%	5	4
81	1	259.0%	0.65	0.05	4.90	10.00	—	—	—	—	—	—
14	1	293.9%	0.05	0.05	4.90	12.50	3.40	8.00	5.50	136.4%	85	226
10	1	317.8%	0.05	0.00	4.90	15.00	5.70	10.50	9.58	150.2%	2	397
54	1	244.5%	0.50	0.00	2.55	17.50	8.00	12.90	12.06	150.6%	1	135
256	30	192.2%	0.05	0.05	1.00	20.00	10.50	15.40	14.63	165.2%	1	7
24	1	279.5%	0.20	0.00	2.65	22.50	12.90	17.50	17.20	126.6%	1	11
9	1	381.9%	0.50	0.00	4.90	25.00	15.30	20.00	19.50	50.0%	1	5
8	1	238.5%	0.75	0.00	1.10	30.00	20.20	25.00	24.80	394.7%	3	4
44	42	419.3%	1.05	0.00	4.90	35.00	27.50	32.40	27.26	407.6%	—	5
3	1	433.4%	0.48	0.00	4.90	40.00	32.40	37.00	35.50	401.9%	1	1
2	1	445.5%	0.40	0.00	4.90	45.00	—	—	—	—	—	—
25	10	456.1%	0.02	0.00	4.90	50.00	42.30	47.00	42.18	420.5%	4	3

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 RGC put/call ratio?

For the December 18, 2026 expiration, the RGC put/call ratio based on open interest is 3.27 (3,024 puts vs 925 calls), and 0.28 based on today's volume. A ratio above 1 means more puts than calls.

What is RGC's implied volatility?

At-the-money implied volatility for RGC options expiring December 18, 2026 is about 111.4%, an annualized estimate of how much the market expects Regencell Bioscience stock to move.

How many RGC option expiration dates are there?

RGC has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.

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.