Companies: 10,795·Total market cap: $144.5T
Olin Corporation

Olin Corporation

OLNNYSEBasic Materials● Active
$24.28
$-0.26(-1.06%)
Market Cap$2.8B
P/E Ratio
52W High$30.46
52W Low$18.08

Olin Corporation (OLN) Stock Splits

Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.

FMP · OLN · as of Jun 8, 2026

Key split metrics

Total Splits3Since IPO (Dec 30, 1987)
Most Recent SplitFeb 9, 1999Forward · 63-for-40
Cumulative Multiple×6.301 share (1987) → 6.30 shares today

Latest Split Event

Forward Split
Feb 9, 1999
BEFORE SPLIT$25.80Closing price · Feb 8, 1999
63-for-40
AFTER SPLIT$16.38Opening price · Feb 9, 1999
Each shareholder received 63 shares for every 1 share held.·Total market cap unchanged.·Source: FMP · Historical EOD

Stock Split History

OLN · 3 records
DateRatioTypeMultipleCumulative
Feb 9, 199963-for-40Forward×1.57×6.30
Oct 31, 19962-for-1Forward×2×4
Sep 9, 19772-for-1Forward×2×2
3 splits since IPO · Dec 30, 1987Data: Financial Modeling Prep · Updated daily

Stock Split Calculator

If you bought 100 shares purchased of OLN on Jan 1, 2020 — how many shares would you hold today after all splits?

ORIGINAL SHARES100
SHARES TODAY100
Splits Applied0
Total Multiplier×1.00
Split Period
Splits applied:No splits occurred after this date
Based on purchase date Jan 1, 2020Share count only · excludes price / dividendsSource: FMP

This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.

About stock split history & investor guide

Olin Corporation (OLN) has split its stock 3 times since its IPO, with a cumulative multiplier of ×6.30. The most recent split was a 63-for-40 forward split on Feb 9, 1999.

Frequently asked questions

Olin Corporation (OLN) has split its stock 3 times. All splits were forward splits. The cumulative multiplier is ×6.30, meaning 1 share at IPO would equal 6.30 shares today.

OLN stock split historyhow many times has OLN splitOLN cumulative stock splitforward stock split record
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.