Stock listing

BOATS:OSBC Old Second Bancorp, Inc. Stock

US listing (BOATS) of Old Second Bancorp, Inc. · home listing NASDAQ:OSBC

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Home listing price · NASDAQ:OSBC

$24.30 USD -0.33 (-1.3%)

Close on Oct 30, 2026 · This listing has no price on 6ix; the price shown is the home listing's, NASDAQ:OSBC

Past year +33.8% · daily closes, Oct 30, 2025 – Oct 30, 2026, adjusted for splits
Day range
$24.19 – $24.84 USDOct 30, 2026
Volume
521,978 sharesOct 30, 2026
Market cap
$1.24B USDAt the close on Oct 30, 2026 · price × 50.88M shares outstanding
52-week range
$17.54 – $26.06 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
Traded on an average day
$12.55M USDMedian day 468,100 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Old Second Bancorp, Inc. logo

Prices by listing

ListingLastChangeVolumeOpenHighLowPrevious closePrice from
NASDAQ:OSBC · Home$24.30 USD-0.33 (-1.3%)521,978$24.59$24.84$24.19$24.63Close on Oct 30, 2026
Frankfurt:OSB€20.40 EUR+0.40 (+2.0%)—€20.40€20.40€20.40€20.00Close on Oct 27, 2026

Daily closes

Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:OSBC · USD, adjusted for splits

DayCloseChange%OpenHighLowVolume
$24.30-0.33-1.3%$24.59$24.84$24.19521,978
$24.63+0.22+0.9%$24.64$24.80$24.44502,370
$24.41-0.19-0.8%$24.65$24.74$24.10569,869
$24.60-0.17-0.7%$24.84$25.00$24.44602,471
$24.77+0.34+1.4%$24.43$24.95$24.42800,867
$24.43-0.28-1.1%$24.40$24.66$24.28927,100
$24.71-0.16-0.6%$24.50$24.95$23.69829,500
$24.87-0.23-0.9%$25.14$25.24$24.69432,800
$25.10+0.26+1.0%$24.84$25.49$24.84505,800
$24.84-0.04-0.2%$24.78$25.06$24.76421,600
$24.88+0.03+0.1%$24.93$25.50$24.88763,600
$24.85+0.22+0.9%$24.76$25.06$24.61546,900
$24.63-0.17-0.7%$24.42$24.80$24.35591,000
$24.80-0.04-0.2%$25.03$25.13$24.65664,000
$24.84+0.23+0.9%$24.66$25.06$24.47588,800
$24.61-0.25-1.0%$24.76$24.85$24.54391,800
$24.86+0.20+0.8%$24.65$24.97$24.46735,700
$24.66-0.39-1.6%$24.77$24.84$24.45620,300
$25.05+0.18+0.7%$25.22$25.32$24.95922,400
$24.87-0.08-0.3%$25.04$25.06$24.66581,500
$24.95+0.32+1.3%$24.82$25.20$24.79722,000
$24.63+0.14+0.6%$24.38$24.67$23.99711,100
$24.49-0.16-0.6%$24.64$24.82$24.29505,100
$24.65-0.20-0.8%$24.85$24.98$24.44496,000
$24.85-0.10-0.4%$24.92$25.03$24.76467,700
$24.95+0.13+0.5%$24.86$25.11$24.86674,100
$24.82+0.27+1.1%$24.55$24.89$24.44664,900
$24.55-0.10-0.4%$24.66$25.13$24.42460,800
$24.65-0.18-0.7%$24.98$25.15$24.64375,500
$24.83-0.16-0.6%$25.08$25.26$24.82353,100
$24.99+0.07+0.3%$24.80$25.07$24.59731,100
$24.92-0.06-0.2%$25.19$25.34$24.88428,200
$24.98-0.55-2.2%$25.45$25.53$24.51558,200
$25.53+0.02+0.1%$25.52$25.68$25.33486,500
$25.51-0.07-0.3%$25.50$25.84$25.46472,500
$25.58+0.05+0.2%$25.75$25.82$25.33381,400
$25.53+0.27+1.1%$25.24$25.53$25.00361,600
$25.26-0.27-1.1%$25.25$25.51$25.08404,000
$25.53-0.19-0.7%$25.61$25.74$25.43442,000
$25.72+0.04+0.2%$25.50$25.83$25.50429,600
$25.68+0.15+0.6%$25.68$25.85$25.55476,100
$25.53+0.45+1.8%$25.17$25.68$25.09517,700
$25.080.000.0%$25.10$25.54$24.95443,000
$25.08-0.16-0.6%$25.19$25.36$25.03415,800
$25.24+0.07+0.3%$25.22$25.37$25.15388,800
$25.17-0.08-0.3%$25.06$25.29$24.89290,300
$25.25+0.06+0.2%$25.24$25.38$25.11327,600
$25.19-0.26-1.0%$25.52$25.52$25.18313,000
$25.45+0.11+0.4%$25.31$25.63$25.29317,200
$25.34+0.14+0.6%$25.39$25.50$25.07337,300
$25.20+0.16+0.6%$24.89$25.25$24.70370,500
$25.04-0.62-2.4%$25.64$25.74$25.02529,100
$25.66-0.17-0.7%$25.93$26.00$25.62344,200
$25.83-0.08-0.3%$25.78$26.06$25.71381,500
$25.91+0.10+0.4%$25.82$25.95$25.67338,600
$25.81+0.010.0%$25.89$26.01$25.71426,800
$25.80+0.35+1.4%$25.48$25.84$25.47324,300
$25.45+0.17+0.7%$25.32$25.62$25.30371,400
$25.28-0.16-0.6%$25.34$25.56$25.15395,300
$25.44-0.34-1.3%$25.68$25.73$25.33460,700
$25.78-0.11-0.4%$25.99$26.02$25.68413,200
$25.89+0.10+0.4%$25.95$25.95$25.72468,500
$25.79+0.010.0%$25.72$26.04$25.58551,600
$25.78+0.49+1.9%$25.48$25.87$25.45521,300
$25.29-0.05-0.2%$25.17$25.35$24.94336,700
$25.34+0.05+0.2%$25.37$25.60$25.08343,900
Ticker
BOATS:OSBC
Asset type
Stock
Sector
Financials
Industry
Banks
Exchange
BOATS
Currency
USD

What changed lately

Calls

Replays

  • Old Second Bancorp (NASDAQ:OSBC) Q3 2026 Earnings Call

    Thu, Oct 22, 2026 · 10:00 AM ET

    Watch Transcript
  • Old Second Bancorp (NASDAQ:OSBC) Q2 2026 Earnings Call

    Thu, Jul 23, 2026 · 10:00 AM ET

    Watch Transcript
  • Old Second Bancorp (NASDAQ:OSBC) Q1 2026 Earnings Call

    Thu, Apr 23, 2026 · 10:00 AM ET

    Watch Transcript

Latest news

All Old Second Bancorp, Inc. news

Decks

Old Second Bancorp, Inc. on 6ix

Sector
Financials
Industry
Banks
News releases
7 in the last 12 months · 78 in all · newest Oct 21, 2026 · oldest 2019
Calls
11 calls with a replay · 11 with a transcript · latest Oct 22, 2026
Decks
50 decks · latest Oct 21, 2026

Where Old Second Bancorp, Inc. is listed

ListingExchangeCountryCurrency
NASDAQ:OSBC · Home listingNASDAQUnited StatesUSD
LS Exchange:923656LS ExchangeGermanyEUR
BOATS:OSBC · This pageBOATSUnited StatesUSD
Frankfurt:OSBFrankfurtGermanyEUR
Lang & Schwarz:923656Lang & SchwarzGermanyEUR

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