Hesai (HSAI) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

Closed at $13.36, -4.16% vs the prior close of $13.94.
Volume 2.08M shares, 1.5x its 50-day average.
No new SEC filings since the prior session.
No new insider buys or sales reported since the prior session.

HSAI slides 4.2% to $13.36, a 52-week low, 4 down days in a row. Closed at $13.36, -4.16% vs the prior close of $13.94. Day range $13.00–$13.57, opened at $13.32.

Last close$13.36-4.16%

Day range13.00–13.57

Open13.32

Volume2.08M

52-week range13.00–29.35

Avg volume (20d)1.08M

HSAI daily analysis — what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 15, 2026 — HSAI slides 4.2% to $13.36, a 52-week low, 4 down days in a row

Closed at $13.36, -4.16% vs the prior close of $13.94. Day range $13.00–$13.57, opened at $13.32.
Volume was 2.08M shares, 1.5x its 50-day average of 1.35M.
Price is -21.5% vs its 50-day average ($17.03) and -35.0% vs its 200-day average ($20.54).
52-week range $13.00–$29.35; today's close sits at 2% of that range, 54.5% below the 52-week high.
That makes 4 straight losses.

Oct 14, 2026 — HSAI slides 3.6% to $13.94, a 52-week low, 3 down days in a row

Closed at $13.94, -3.60% vs the prior close of $14.46. Day range $13.93–$14.38, opened at $14.25.
Volume was 1.25M shares, 0.9x its 50-day average of 1.36M.
Price is -18.6% vs its 50-day average ($17.12) and -32.3% vs its 200-day average ($20.58).
52-week range $13.93–$29.35; today's close sits at 0% of that range, 52.5% below the 52-week high.
That makes 3 straight losses.

Oct 13, 2026 — HSAI slides 4.4% to $14.46, a 52-week low

Closed at $14.46, -4.37% vs the prior close of $15.12. Day range $14.18–$14.63, opened at $14.61.
Volume was 1.97M shares, 1.4x its 50-day average of 1.37M.
Price is -16.0% vs its 50-day average ($17.21) and -29.9% vs its 200-day average ($20.63).
52-week range $14.18–$29.35; today's close sits at 2% of that range, 50.7% below the 52-week high.

Oct 12, 2026 — HSAI slides 5.6% to $15.12, a 1-month low

Closed at $15.12, -5.56% vs the prior close of $16.01. Day range $14.81–$15.77, opened at $15.76.
Volume was 2.01M shares, 1.5x its 50-day average of 1.36M.
Price is -12.5% vs its 50-day average ($17.27) and -26.8% vs its 200-day average ($20.67).
52-week range $14.29–$29.35; today's close sits at 6% of that range, 48.5% below the 52-week high.

Oct 9, 2026 — HSAI rises 2.6% to $16.01

Closed at $16.01, +2.56% vs the prior close of $15.61. Day range $15.93–$16.21, opened at $16.03.
Volume was 530.40K shares, 0.4x its 50-day average of 1.39M — lighter than usual.
Price is -7.5% vs its 50-day average ($17.31) and -22.7% vs its 200-day average ($20.70).
52-week range $14.29–$29.35; today's close sits at 11% of that range, 45.5% below the 52-week high.

Oct 8, 2026 — HSAI dips 2.4% to $15.61

Closed at $15.61, -2.44% vs the prior close of $16.00. Day range $15.43–$15.99, opened at $15.93.
Volume was 1.03M shares, 0.7x its 50-day average of 1.43M.
Price is -9.9% vs its 50-day average ($17.32) and -24.7% vs its 200-day average ($20.74).
52-week range $14.29–$29.35; today's close sits at 9% of that range, 46.8% below the 52-week high.

Oct 7, 2026 — HSAI dips 1.7% to $16.00

Closed at $16.00, -1.66% vs the prior close of $16.27. Day range $15.82–$16.10, opened at $16.00.
Volume was 619.80K shares, 0.4x its 50-day average of 1.45M — lighter than usual.
Price is -7.7% vs its 50-day average ($17.33) and -23.0% vs its 200-day average ($20.78).
52-week range $14.29–$29.35; today's close sits at 11% of that range, 45.5% below the 52-week high.

Oct 6, 2026 — HSAI rises 2.3% to $16.27

Closed at $16.27, +2.26% vs the prior close of $15.91. Day range $15.99–$16.47, opened at $16.17.
Volume was 586.30K shares, 0.4x its 50-day average of 1.46M — lighter than usual.
Price is -6.1% vs its 50-day average ($17.33) and -21.8% vs its 200-day average ($20.81).
52-week range $14.29–$29.35; today's close sits at 13% of that range, 44.6% below the 52-week high.

Oct 5, 2026 — HSAI jumps 3.4% to $15.91

Closed at $15.91, +3.45% vs the prior close of $15.38. Day range $15.54–$16.08, opened at $15.60.
Volume was 759.20K shares, 0.5x its 50-day average of 1.48M — lighter than usual.
Price is -8.1% vs its 50-day average ($17.31) and -23.6% vs its 200-day average ($20.83).
52-week range $14.29–$29.35; today's close sits at 11% of that range, 45.8% below the 52-week high.

Oct 2, 2026 — HSAI slides 3.5% to $15.38, a 1-month low

Closed at $15.38, -3.45% vs the prior close of $15.93. Day range $15.33–$15.78, opened at $15.78.
Volume was 788.40K shares, 0.5x its 50-day average of 1.49M — lighter than usual.
Price is -11.0% vs its 50-day average ($17.29) and -26.3% vs its 200-day average ($20.86).
52-week range $14.29–$29.35; today's close sits at 7% of that range, 47.6% below the 52-week high.

HSAI latest news & SEC filings

Every SEC filing by or about HSAI in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Sep 21, 2026 · Form 4 — Insider trade

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Fan Peng converted options/RSUs into 50,000 shares on Sep 19, 2026; now holds 98,000

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001104659-26-109030

Sep 17, 2026 · Form 6-K — Report from a foreign company (6-K)