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ALNY
Alnylam Pharmaceuticals, Inc.
stock NASDAQ

At Close

Aug 20, 2026 3:59:57 PM EDT

229.30USD-5.484%(-13.31)1,686,053

212.80Bid 255.91Ask 43.11Spread

Pre-market

Aug 20, 2026 9:19:30 AM EDT

241.13USD-0.610%(-1.48)515

After-hours

Aug 20, 2026 4:00:30 PM EDT

228.76USD-0.238%(-0.54)187,141

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Oct 16, 2026 Dec 18, 2026 Jan 15, 2027 Mar 19, 2027 Dec 17, 2027

ITM/OTM for Mar 19, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
148	834	435	1,597

ALNY Mar 19, 2027 Exp. - Volume by Strike

Puts

Calls

ALNY Mar 19, 2027 Exp. - Open Interest by Strike

Puts

Calls

ALNY Mar 19, 2027 Exp. - Max Pain @ $280.00

Puts

Calls

ALNY Mar 19, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
520 C	0	0%	0			ALNY270319C00520000
500 C	0	0%	0			ALNY270319C00500000
490 C	0	0%	0			ALNY270319C00490000
480 C	0	0%	0			ALNY270319C00480000
470 C	25.60	0%	4	2	07-09	ALNY270319C00470000
460 C	0	0%	0			ALNY270319C00460000
450 C	35.80	+358.97%	1	7	07-09	ALNY270319C00450000
440 C	11.81	0%	1	1	05-29	ALNY270319C00440000
430 C	0	0%	0			ALNY270319C00430000
420 C	0	0%	0			ALNY270319C00420000
410 C	19.80	0%	26	16	07-01	ALNY270319C00410000
400 C	3.10	-89.20%	12	111	07-30	ALNY270319C00400000
390 C	16.58	-17.10%	1	6	06-17	ALNY270319C00390000
380 C	15.50	0%	2	1	07-20	ALNY270319C00380000
370 C	3.70	0.00%	4	106	08-10	ALNY270319C00370000
360 C	4.60	-84.14%	1	2	08-04	ALNY270319C00360000
350 C	5.20	-24.64%	1	18	08-10	ALNY270319C00350000
340 C	10.40	+70.49%	1	6	08-19	ALNY270319C00340000
330 C	12.30	+75.71%	9	26	08-19	ALNY270319C00330000
320 C	11.80	+22.92%	1	36	08-19	ALNY270319C00320000
310 C	11.40	+6.54%	2	17	08-18	ALNY270319C00310000
300 C	18.00	+36.36%	1	17	08-19	ALNY270319C00300000
290 C	20.10	+54.62%	1	4	08-19	ALNY270319C00290000
280 C	23.33	+45.81%	32	417	08-19	ALNY270319C00280000
270 C	18.00	-82.16%	5	6	08-04	ALNY270319C00270000
260 C	21.00	+26.51%	5	8	08-04	ALNY270319C00260000
250 C	35.00	+30.11%	1	12	08-19	ALNY270319C00250000
240 C	37.37	+71.50%	1	6	08-19	ALNY270319C00240000
230 C	31.70	-65.69%	1	9	07-30	ALNY270319C00230000
220 C	38.00	+3.54%	1	4	08-17	ALNY270319C00220000
210 C	39.00	+25.81%	21	71	08-03	ALNY270319C00210000
200 C	45.50	+19.42%	2	2	08-03	ALNY270319C00200000
195 C	56.25	+14.33%	1	3	08-05	ALNY270319C00195000
190 C	57.31	0%	5	5	08-13	ALNY270319C00190000
185 C	0	0%	0			ALNY270319C00185000
180 C	0	0%	0			ALNY270319C00180000
175 C	0	0%	0			ALNY270319C00175000
170 C	0	0%	0			ALNY270319C00170000
165 C	0	0%	0			ALNY270319C00165000
160 C	77.58	+6.42%	1	54	08-13	ALNY270319C00160000
155 C	76.53	+3.94%	1	1	08-11	ALNY270319C00155000
150 C	141.00	-18.73%	2	3	07-13	ALNY270319C00150000
145 C	84.22	+18.87%	1	4	08-03	ALNY270319C00145000
140 C	87.00	0%	1	1	08-06	ALNY270319C00140000
135 C	0	0%	0			ALNY270319C00135000
130 C	0	0%	0			ALNY270319C00130000
125 C	0	0%	0			ALNY270319C00125000
120 C	0	0%	0			ALNY270319C00120000
115 C	0	0%	0			ALNY270319C00115000
110 C	0	0%	0			ALNY270319C00110000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
520 P	0	0%	0			ALNY270319P00520000
500 P	0	0%	0			ALNY270319P00500000
490 P	0	0%	0			ALNY270319P00490000
480 P	0	0%	0			ALNY270319P00480000
470 P	0	0%	0			ALNY270319P00470000
460 P	0	0%	0			ALNY270319P00460000
450 P	0	0%	0			ALNY270319P00450000
440 P	0	0%	0			ALNY270319P00440000
430 P	0	0%	0			ALNY270319P00430000
420 P	0	0%	0			ALNY270319P00420000
410 P	0	0%	0			ALNY270319P00410000
400 P	0	0%	0			ALNY270319P00400000
390 P	0	0%	0			ALNY270319P00390000
380 P	0	0%	0			ALNY270319P00380000
370 P	0	0%	0			ALNY270319P00370000
360 P	0	0%	0			ALNY270319P00360000
350 P	81.36	0%	48	48	07-28	ALNY270319P00350000
340 P	137.22	+88.49%	5	3	07-30	ALNY270319P00340000
330 P	70.37	+10.00%	2	2	06-17	ALNY270319P00330000
320 P	109.50	+78.16%	1	96	08-03	ALNY270319P00320000
310 P	47.90	-10.45%	1	4	07-01	ALNY270319P00310000
300 P	54.70	0%	8	0	06-18	ALNY270319P00300000
290 P	43.10	-2.05%	100	102	07-28	ALNY270319P00290000
280 P	55.83	-13.04%	16	151	08-19	ALNY270319P00280000
270 P	0	0%	0			ALNY270319P00270000
260 P	0	0%	0			ALNY270319P00260000
250 P	37.05	+71.37%	10	16	08-19	ALNY270319P00250000
240 P	33.02	-15.01%	2	13	08-19	ALNY270319P00240000
230 P	0	0%	0			ALNY270319P00230000
220 P	30.92	-1.37%	5	9	08-04	ALNY270319P00220000
210 P	34.00	+100.00%	5	13	07-30	ALNY270319P00210000
200 P	18.00	-15.49%	1	1,514	08-18	ALNY270319P00200000
195 P	20.50	0%	2	2	08-04	ALNY270319P00195000
190 P	8.78	0%	1	0	05-22	ALNY270319P00190000
185 P	14.60	+50.52%	1	2	08-06	ALNY270319P00185000
180 P	18.34	+153.31%	5	16	07-30	ALNY270319P00180000
175 P	0	0%	0			ALNY270319P00175000
170 P	17.00	0%	11	11	07-30	ALNY270319P00170000
165 P	15.50	0%	10	10	07-30	ALNY270319P00165000
160 P	9.30	-22.76%	1	2	08-03	ALNY270319P00160000
155 P	0	0%	0			ALNY270319P00155000
150 P	11.30	+140.43%	9	12	07-30	ALNY270319P00150000
145 P	0	0%	0			ALNY270319P00145000
140 P	6.00	-16.67%	1	5	08-03	ALNY270319P00140000
135 P	0	0%	0			ALNY270319P00135000
130 P	0	0%	0			ALNY270319P00130000
125 P	0	0%	0			ALNY270319P00125000
120 P	0	0%	0			ALNY270319P00120000
115 P	0	0%	0			ALNY270319P00115000
110 P	1.60	0%	1	1	08-14	ALNY270319P00110000