ALNY Stock Premarket

Alnylam Pharmaceuticals, Inc.
ALNYNASDAQUSD
277.00 USD
2.14 (0.77%)PRE MARKET (AS OF 05:29 AM EDT)
🟢Market: OPEN

Premarket trading runs 4:00 AM – 9:30 AM ET.

ALNY last traded at $277.00 in premarket, down $2.14 (0.77%) from its previous close of $279.14.

📅 ALNY is scheduled to report earnings on Jul 30, 2026 before the open (confirmed), with an estimated EPS of $2.00. ALNY earnings details →

ALNY Premarket News

Gap Analytics — 5-year history, 5% minimum gap

Over the past 5 years, ALNY has had 19 qualifying gap events (gaps of 5% or more at the open) — 8 gap-ups and 11 gap-downs. Gap-ups averaged +15.6%, 63% have fully filled, median time to fill 1 trading day. Gap-downs averaged -7.2%, 55% have fully filled, median time to fill 7 trading days. Most recent: a +17% gap up 7 days ago, which filled in 1 trading day. Average 20-trading-day return after a ALNY gap up: +4.13%. After a gap down: -1.04%.

Gap Ups8 events
Fill Rate
62.5%
Avg Gap
15.6%
Avg 50% Fill
1d
Avg Fill
1d
Avg 20d return after gap-up: +4.13%
Gap Downs11 events
Fill Rate
54.5%
Avg Gap
7.2%
Avg 50% Fill
2d
Avg Fill
7d
Avg 20d return after gap-down: -1.04%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%75%88%88%88%
fills 50%50%63%63%63%
fills 75%38%63%63%63%
fills 100%38%63%63%63%
Gap Downs
1 day1 week2 week4 week
fills 25%64%82%82%82%
fills 50%36%73%73%82%
fills 75%18%55%55%55%
fills 100%9%27%36%45%
Complete Gap History 19 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
7 days ago$323.50+17.00%Filled1d1d100%100%100%100%
2026-01-12$398.29-5.14%Open4%4%4%4%
2025-10-30$481.59-6.56%Open1d71%71%71%71%
2025-04-08$232.95+5.67%Filled1d1d100%100%100%100%
2024-08-30$287.01-7.32%Filled13d32d34%34%34%66%
2024-08-05$272.05-5.90%Filled1d6d62%100%100%100%
2024-08-01$237.46+5.28%Open39%39%39%39%
2024-06-24$165.70+32.39%Open19%19%19%19%
2024-02-15$164.15-8.62%Open5d23%99%99%99%
2023-09-14$211.65-5.50%Open21%21%21%21%
2023-07-17$197.10+5.53%Filled1d6d56%100%100%100%
2022-08-04$212.01-10.65%Filled1d1d100%100%100%100%
2022-08-03$141.97+47.92%Open18%31%31%31%
2022-01-21$138.31-5.86%Filled1d8d95%95%100%100%
2022-01-20$138.62+5.44%Filled1d1d100%100%100%100%
2021-12-22$199.59-5.24%Open2d44%69%69%69%
2021-11-18$172.73+5.53%Filled2d2d40%100%100%100%
2021-10-28$191.16-11.56%Filled6d18d15%75%94%100%
2021-09-28$193.85-7.01%Filled3d4d29%100%100%100%

Frequently Asked Questions

What is ALNY's premarket price?

Alnylam Pharmaceuticals (ALNY) is trading at $277.00 in premarket, down $2.14 (0.77%) from the previous close of $279.14.

Why is ALNY moving in premarket?

Alnylam Pharmaceuticals (ALNY) is down 0.77% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest ALNY premarket headlines and gap history below for the likely catalyst.

When does ALNY premarket trading start?

Premarket trading for ALNY on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.

How often does ALNY fill its gaps?

Over the past 5 years, 63% of ALNY gap-ups have fully filled and 55% of gap-downs have filled. Median time to fill is 1 trading days for gap-ups and 7 trading days for gap-downs.

Does ALNY have any unfilled gaps?

No. ALNY has no unfilled gap events from the past 60 days; all recent gaps have been filled.

What's the average return after a ALNY gap?

Based on 19 qualifying gap events over the past 5 years, the average 20-trading-day return after a ALNY gap up is +4.13%, and after a gap down is -1.04%.

When does ALNY report earnings?

ALNY is scheduled to report earnings on Jul 30, 2026 before the open (confirmed), with an estimated EPS of $2.00. Alnylam Pharmaceuticals is expected to report its Q2 2026 financial results on July 30, 2026, before the market opens, with a conference call scheduled for 8:30 AM ET. While the company has not yet issued a specific press release for this date as of July 14, it is widely confirmed across major financial platforms and aligns with their historical reporting pattern.