Neurocrine Biosciences (NBIX) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)

Updated Oct 16, 2026, 4:00 PM ET

What changed since yesterday

NBIX dips 0.9% to $135.71. Closed at $135.71, -0.91% vs the prior close of $136.95. Day range $135.55–$138.20, opened at $137.86.

Last close$135.71-0.91%

Day range135.55–138.20

Open137.86

Volume1.08M

52-week range122.14–186.12

Avg volume (20d)1.42M

NBIX daily analysis — what happened

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

Oct 16, 2026 — NBIX dips 0.9% to $135.71

Closed at $135.71, -0.91% vs the prior close of $136.95. Day range $135.55–$138.20, opened at $137.86.
Volume was 1.08M shares, 0.8x its 50-day average of 1.27M.
Price is -9.1% vs its 50-day average ($149.26) and -7.7% vs its 200-day average ($147.04).
52-week range $122.14–$186.12; today's close sits at 21% of that range, 27.1% below the 52-week high.

Oct 15, 2026 — NBIX rises 0.8% to $136.95

Closed at $136.95, +0.77% vs the prior close of $135.91. Day range $135.55–$138.23, opened at $137.26.
Volume was 1.38M shares, 1.1x its 50-day average of 1.27M.
Price is -8.5% vs its 50-day average ($149.74) and -6.9% vs its 200-day average ($147.06).
52-week range $122.14–$186.12; today's close sits at 23% of that range, 26.4% below the 52-week high.

Oct 14, 2026 — NBIX rises 0.6% to $135.91

Closed at $135.91, +0.58% vs the prior close of $135.13. Day range $132.25–$136.57, opened at $133.94.
Volume was 1.51M shares, 1.2x its 50-day average of 1.26M.
Price is -9.5% vs its 50-day average ($150.23) and -7.6% vs its 200-day average ($147.10).
52-week range $122.14–$186.12; today's close sits at 22% of that range, 27.0% below the 52-week high.

Oct 13, 2026 — NBIX slides 4.4% to $135.13, a 3-month low

Closed at $135.13, -4.41% vs the prior close of $141.37. Day range $134.89–$139.93, opened at $139.60.
Volume was 1.57M shares, 1.2x its 50-day average of 1.26M.
Price is -10.4% vs its 50-day average ($150.84) and -8.2% vs its 200-day average ($147.15).
52-week range $122.14–$186.12; today's close sits at 20% of that range, 27.4% below the 52-week high.

Oct 12, 2026 — NBIX dips 0.8% to $141.37

Closed at $141.37, -0.75% vs the prior close of $142.44. Day range $140.89–$143.63, opened at $142.37.
Volume was 1.09M shares, 0.8x its 50-day average of 1.33M.
Price is -6.7% vs its 50-day average ($151.46) and -4.0% vs its 200-day average ($147.20).
52-week range $122.14–$186.12; today's close sits at 30% of that range, 24.0% below the 52-week high.

Oct 9, 2026 — NBIX rises 0.8% to $142.44

Closed at $142.44, +0.84% vs the prior close of $141.25. Day range $140.02–$143.55, opened at $141.33.
Volume was 1.02M shares, 0.8x its 50-day average of 1.35M.
Price is -6.3% vs its 50-day average ($151.97) and -3.3% vs its 200-day average ($147.23).
52-week range $122.14–$186.12; today's close sits at 32% of that range, 23.5% below the 52-week high.

Oct 8, 2026 — NBIX dips 1.5% to $141.25

Closed at $141.25, -1.55% vs the prior close of $143.47. Day range $140.34–$143.02, opened at $142.88.
Volume was 1.24M shares, 0.9x its 50-day average of 1.35M.
Price is -7.6% vs its 50-day average ($152.83) and -4.1% vs its 200-day average ($147.26).
52-week range $122.14–$186.12; today's close sits at 30% of that range, 24.1% below the 52-week high.

Oct 7, 2026 — NBIX dips 1.4% to $143.47

Closed at $143.47, -1.40% vs the prior close of $145.51. Day range $143.21–$145.88, opened at $145.33.
Volume was 1.14M shares, 0.8x its 50-day average of 1.35M.
Price is -6.6% vs its 50-day average ($153.62) and -2.6% vs its 200-day average ($147.28).
52-week range $122.14–$186.12; today's close sits at 33% of that range, 22.9% below the 52-week high.

Oct 6, 2026 — NBIX rises 0.9% to $145.51, 3 up days in a row

Closed at $145.51, +0.90% vs the prior close of $144.21. Day range $141.39–$145.77, opened at $145.56.
Volume was 1.45M shares, 1.1x its 50-day average of 1.34M.
Price is -5.8% vs its 50-day average ($154.41) and -1.2% vs its 200-day average ($147.27).
52-week range $122.14–$186.12; today's close sits at 37% of that range, 21.8% below the 52-week high.
That makes 3 straight gains.

Oct 5, 2026 — NBIX rises 0.7% to $144.21

Closed at $144.21, +0.72% vs the prior close of $143.18. Day range $142.48–$146.92, opened at $142.94.
Volume was 1.75M shares, 1.3x its 50-day average of 1.33M.
Price is -7.0% vs its 50-day average ($155.02) and -2.1% vs its 200-day average ($147.25).
52-week range $122.14–$186.12; today's close sits at 34% of that range, 22.5% below the 52-week high.

Oct 2, 2026 — NBIX rises 1.8% to $143.18

Closed at $143.18, +1.76% vs the prior close of $140.71. Day range $140.36–$144.56, opened at $141.41.
Volume was 1.65M shares, 1.2x its 50-day average of 1.32M.
Price is -8.0% vs its 50-day average ($155.65) and -2.8% vs its 200-day average ($147.27).
52-week range $122.14–$186.12; today's close sits at 33% of that range, 23.1% below the 52-week high.

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

Oct 15, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Oct 7, 2026 · Form 3 — New insider holdings

Initial insider ownership statement (Form 3) — a new director, officer or 10% owner disclosed their holdings

Sep 28, 2026 · Form 8-K — Major event / current report

Current report — a filing companies must make within 4 business days of a major event

Item 5.02 — Change in directors or officers (appointment, departure or pay).

Sep 15, 2026 · Form 4 — Insider trade