Premarket Movers

Premarket stock movers, including top gainers, losers, and most active stocks before regular market hours.
📊 Premarket has ended, view today's top stocks
2026-04-17

Today's Premarket Market Analysis

TODAY, 9:00a ET: Risk-on sentiment prevails as biotech and fintech micro-caps lead gainers on heavy volume. PBM is surging +78% on 26M shares as it prepares for increased regulatory scrutiny; RPAY +36% following a key leadership appointment for its consumer payments division. ENVB is gapping down -20% after pricing a $5 million private placement at-the-market; BMI -16% ahead of its Q1 earnings preview.(more...)

Tape Overview

Premarket action shows a clear risk-on bias with speculative micro-caps dominating the leaderboard on significant volume.

Top Mover: PBM — Preparing for increased regulatory scrutiny

Psyence Biomedical Ltd. (PBM) is gapping up 78.8% on 26.2M shares, a massive surge against its typical liquidity. The move follows reports that the company is gearing up for heightened regulatory oversight of its therapeutic pipeline.

Top Loser: ENVB — Pricing of $5M private placement

Enveric Biosciences, Inc. (ENVB) fell 20.0% on 273K shares after announcing a $5 million private placement of common stock and warrants. The deal includes Series I warrants for an additional 2.2M shares, creating significant potential dilution for existing shareholders.

Also Moving

Repay Holdings Corporation (RPAY) climbed 36.3% on 11.3M shares following the appointment of a new executive leader for Consumer Payments. Meanwhile, Onfolio Holdings Inc. (ONFO) is retracing 12.7% on 10x unusual volume as traders take profits following yesterday's 150% rally triggered by a $100M equity facility.

Broader Context

Mega-cap tech remains active with Tesla, Inc. (TSLA) and Nvidia Corp (NVDA) leading absolute volume, though the primary volatility is concentrated in small-cap catalysts.

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Data last updated: Today at 9:29 AM EDT

Premarket GainersGainers

%ChgLastSymbCompanyVolume
+8.0%
16.09
Grupo Aeromexico, S.A.B. de C.V. American Depositary Shares (each representing ten (10) Common Shares)156k
+7.1%
13.02
American Airlines Group Inc.26516k
+6.9%
44.11
Alaska Air Group, Inc.2732k
+6.2%
1.21
American Bitcoin Corp. Class A Common Stock9538k
+5.3%
63.49
Affirm Holdings, Inc. Class A Common Stock1783k
+5.0%
44.27
Ally Financial Inc.1438k
+3.8%
22.02
FIRST MAJESTIC SILVER CORP3794k
+3.8%
21.86
Adient plc Ordinary Shares119k
+3.0%
9.61
C3.ai, Inc.1072k
+2.9%
4.21
Apartment Investment and Management Company215k

Premarket LosersLosers

%ChgLastSymbCompanyVolume
-8.0%
63.92
Alcoa Corporation2953k
-7.1%
12.58
ADECOAGRO S.A.619k
-3.7%
207.19
Albemarle Corporation975k
-3.3%
12.91
Atlas Energy Solutions Inc.564k
-2.5%
66.86
Archer Daniels Midland Company530k
-1.4%
113.44
Aflac Inc.321k
-0.8%
22.95
Almonty Industries Inc. Common Shares1563k
-0.7%
31.93
Allied Gold Corporation47k
-0.7%
111.54
Ameren Corporation173k
-0.4%
213.63
The Allstate Corporation171k

Premarket Unusual VolumeUnusual Volume

%ChgLastSymbCompanyVolume
+6.2%
1.21
American Bitcoin Corp. Class A Common Stock9538k
+6.9%
44.11
Alaska Air Group, Inc.2732k
-3.7%
207.19
Albemarle Corporation975k
-8.0%
63.92
Alcoa Corporation2953k
+5.0%
44.27
Ally Financial Inc.1438k
+1.6%
267.77
Apple Inc.15180k
-7.1%
12.58
ADECOAGRO S.A.619k
+7.1%
13.02
American Airlines Group Inc.26516k
-0.1%
95.65
Abbott Laboratories3306k
+5.3%
63.49
Affirm Holdings, Inc. Class A Common Stock1783k

Premarket GainersGainers

%ChgLastSymbCompanyVolume
+8.0%
16.09
Grupo Aeromexico, S.A.B. de C.V. American Depositary Shares (each representing ten (10) Common Shares)156k
+7.1%
13.02
American Airlines Group Inc.26516k
+6.9%
44.11
Alaska Air Group, Inc.2732k
+6.2%
1.21
American Bitcoin Corp. Class A Common Stock9538k
+5.3%
63.49
Affirm Holdings, Inc. Class A Common Stock1783k
+5.0%
44.27
Ally Financial Inc.1438k
+3.8%
22.02
FIRST MAJESTIC SILVER CORP3794k
+3.8%
21.86
Adient plc Ordinary Shares119k
+3.0%
9.61
C3.ai, Inc.1072k
+2.9%
4.21
Apartment Investment and Management Company215k

Premarket Movers News

Premarket FAQs

Q: When does premarket open?
A: Premarket trading sessions start weekdays around 4:00 am EST and last until the market open, which is 9:30 am EST.
Q: Can you trade options premarket?
A: Options trading during premarket hours is generally not available. Options markets typically operate only during regular trading hours.
Q: How to trade premarket?
A: Most brokerages offer trading during premarket and after hours. Some popular examples are Robinhood, TD Ameritrade and E*Trade. It's usually best to trade with limit orders during the premarket, due to lower trading volumes.

⏰ Premarket Trading Hours by Brokerage

BrokeragePremarket Hours (ET)Notes
Interactive Brokers4:00 a.m. – 9:30 a.m.IBKR Pro from 4:00 a.m.; IBKR Lite from 7:00 a.m.
Webull4:00 a.m. – 9:30 a.m.Full extended hours available
Moomoo4:00 a.m. – 9:30 a.m.Extensive early access
TradeZero4:00 a.m. – 9:30 a.m.Full early access from 4:00 a.m.
Charles Schwab7:00 a.m. – 9:25 a.m.Orders may be placed after 8:05 p.m. the prior day
Fidelity7:00 a.m. – 9:28 a.m.Short sale orders allowed from 8:00 a.m.
E*TRADE7:00 a.m. – 9:30 a.m.Limit orders allowed from 7:00 a.m.
Merrill Edge7:00 a.m. – 9:30 a.m.Standard premarket access
Robinhood7:00 a.m. – 9:30 a.m.Extended hours trading enabled
Firstrade8:00 a.m. – 9:25 a.m.Shorter premarket window
Ally Invest8:00 a.m. – 9:30 a.m.Standard premarket access
TradeStation8:00 a.m. – 9:30 a.m.Premarket begins at 8:00 a.m.
Public8:00 a.m. – 9:30 a.m.Premarket trading supported
SoFi Invest9:00 a.m. – 9:30 a.m.Very limited premarket access
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