Madrigal Pharmaceuticals (MDGL) Options Chain

NASDAQ: MDGLHealth CareBiotechnology: Pharmaceutical PreparationsUSD

471.75-5.16 (-1.08%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $471.75
Put/call ratio (OI): 0.44
Put/call ratio (volume): 0.33
ATM implied volatility: 55.0%
Expected move: ±$111.89
Open interest (C / P): 3.31K / 1.47K

MDGL options summary

The MDGL options chain for the December 18, 2026 expiration lists 55 call and 48 put contracts, with 68 days until expiration. Open interest stands at 3,310 calls and 1,469 puts, a put/call ratio of 0.44, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $470.00 strike is 55.0%, which implies the market expects a move of about ±$111.89 (23.7%) in Madrigal Pharmaceuticals stock by expiration.

The most open interest sits at the $500.00 call (844 contracts) and the $500.00 put (237 contracts).

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

MDGL options chain · December 18, 2026

MDGL 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
1	1	483.5%	346.45	399.00	406.70	140.00	0.00	1.50	0.75	129.0%	2	10
—	—	—	—	—	—	145.00	0.00	1.80	1.35	128.8%	2	7
—	—	—	—	—	—	150.00	0.00	0.00	1.65	50.0%	2	0
0	—	245.4%	395.00	329.00	338.00	160.00	—	—	—	—	—	—
—	—	—	—	—	—	170.00	3.00	13.00	11.94	172.1%	—	1
0	—	236.5%	382.00	316.00	326.00	175.00	0.00	0.00	1.55	50.0%	1	0
0	—	—	336.10	0.00	0.00	180.00	—	—	—	—	—	—
2	—	—	333.35	264.50	273.00	185.00	5.00	15.00	14.84	169.1%	—	1
—	—	—	—	—	—	190.00	16.00	25.40	25.25	207.2%	1	0
—	—	—	—	—	—	195.00	0.00	4.90	0.81	116.4%	1	1
11	1	115.5%	326.00	270.70	278.20	200.00	0.00	4.90	1.62	113.4%	1	2
4	3	110.4%	316.00	260.80	268.30	210.00	—	—	—	—	—	—
3	2	320.9%	263.00	321.10	328.10	220.00	0.00	0.00	8.80	25.0%	2	0
4	2	305.9%	324.00	310.40	318.30	230.00	0.00	4.90	2.28	96.8%	2	8
7	1	294.1%	247.00	301.50	308.60	240.00	0.00	7.40	2.35	99.9%	—	1
10	1	94.1%	277.90	221.60	229.10	250.00	0.00	7.10	3.00	93.8%	1	181
6	5	270.6%	217.00	282.20	289.20	260.00	9.00	19.00	25.23	128.5%	1	0
9	1	259.4%	219.10	272.20	279.50	270.00	0.00	7.30	3.80	84.6%	—	1
8	1	249.6%	234.00	263.00	269.90	280.00	0.00	7.80	6.00	81.1%	1	2
0	5	—	241.00	0.00	0.00	290.00	0.00	8.30	7.00	77.7%	1	1
16	2	77.8%	185.00	173.30	180.80	300.00	0.00	8.60	6.27	73.9%	20	165
0	1	83.0%	76.32	165.00	175.00	310.00	0.00	0.00	23.80	25.0%	1	0
1	—	213.5%	170.00	225.00	232.10	320.00	0.00	8.30	8.23	64.7%	1	2
5	1	70.6%	189.00	145.20	152.80	330.00	—	—	—	—	—	—
0	1	—	207.59	0.00	0.00	340.00	0.70	9.00	13.51	58.9%	2	2
3	1	294.8%	285.00	257.00	267.00	350.00	1.25	9.40	14.46	56.3%	1	168
11	1	65.5%	144.00	118.70	126.20	360.00	0.00	0.00	12.32	12.5%	1	0
36	31	177.8%	138.65	180.00	186.70	370.00	0.00	0.00	28.00	12.5%	4	0
13	1	192.4%	127.30	184.00	192.60	380.00	5.70	14.20	8.10	54.8%	1	3
0	1	—	164.00	0.00	0.00	390.00	0.00	0.00	28.32	6.3%	2	0
46	10	181.2%	151.00	168.10	176.20	400.00	9.90	18.40	12.90	53.5%	1	164
0	3	—	137.90	0.00	0.00	410.00	18.90	27.60	36.12	63.0%	1	2
0	2	—	124.00	0.00	0.00	420.00	15.50	23.80	14.36	52.4%	1	26
13	1	133.3%	123.94	120.80	129.20	430.00	—	—	—	—	—	—
16	1	101.1%	137.20	92.00	100.30	440.00	0.00	0.00	25.13	3.1%	—	0
8	1	136.2%	142.46	115.00	122.00	450.00	18.00	25.50	47.87	44.3%	2	8
0	2	—	91.35	0.00	0.00	460.00	31.00	39.00	25.50	50.4%	3	15
0	1	—	90.10	0.00	0.00	470.00	35.80	43.90	39.00	55.0%	8	173
MDGL $471.75
8	3	124.7%	81.05	94.00	101.20	480.00	37.00	44.80	58.50	49.2%	1	18
24	1	54.1%	49.70	32.90	40.00	490.00	42.00	49.20	51.69	47.3%	1	27
844	10	53.7%	43.70	28.80	36.00	500.00	52.70	60.00	46.95	52.9%	2	237
140	20	53.1%	46.70	21.90	29.00	520.00	0.00	0.00	144.34	—	6	0
650	50	53.0%	22.60	16.10	23.80	540.00	0.00	0.00	65.38	—	1	0
0	22	6.3%	59.57	0.00	0.00	560.00	103.30	111.00	103.54	57.8%	1	68
48	10	52.0%	24.10	7.30	15.80	580.00	116.10	123.00	118.30	51.6%	1	3
101	15	52.9%	10.60	6.00	12.60	600.00	154.70	162.00	107.37	84.8%	1	2
55	1	52.3%	9.50	2.90	10.80	620.00	161.00	169.00	211.10	70.5%	6	111
10	1	53.7%	28.87	2.20	9.30	640.00	—	—	—	—	—	—
226	1	56.3%	5.00	1.90	8.70	660.00	189.00	196.00	235.40	53.4%	10	59
8	3	88.5%	18.55	16.20	23.30	680.00	—	—	—	—	—	—
200	1	54.6%	17.27	0.05	5.40	700.00	—	—	—	—	—	—
53	50	108.7%	27.50	23.90	31.00	720.00	—	—	—	—	—	—
122	1	80.8%	30.20	5.60	13.90	740.00	263.80	272.60	228.00	66.5%	1	0
36	1	80.7%	24.80	4.10	12.60	760.00	—	—	—	—	—	—
46	10	83.1%	5.30	4.30	11.90	780.00	—	—	—	—	—	—
113	1	62.0%	7.50	0.00	3.10	800.00	324.20	332.70	288.00	75.2%	2	0
181	2	93.1%	16.10	5.70	13.90	820.00	344.20	352.70	308.00	77.8%	2	0
0	11	25.0%	14.76	0.00	0.00	840.00	364.20	372.70	328.00	51.4%	1	0
189	2	74.2%	5.30	0.05	4.90	860.00	—	—	—	—	—	—
23	10	83.9%	8.29	0.00	8.30	880.00	404.20	412.70	357.00	54.9%	—	0

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 MDGL put/call ratio?

For the December 18, 2026 expiration, the MDGL put/call ratio based on open interest is 0.44 (1,469 puts vs 3,310 calls), and 0.33 based on today's volume. A ratio above 1 means more puts than calls.

What is MDGL's implied volatility?

At-the-money implied volatility for MDGL options expiring December 18, 2026 is about 55.0%, an annualized estimate of how much the market expects Madrigal Pharmaceuticals stock to move.

How many MDGL option expiration dates are there?

MDGL has 7 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.