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Westamerica Bancorporation (WABC) Short Interest Ratio & Short Volume

Westamerica Bancorporation logo
$59.06 +0.53 (+0.90%)
As of 02:23 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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Westamerica Bancorporation Short Interest Overview

As of July 15, 2026, Westamerica Bancorporation (WABC) had a short interest of 748,347 shares sold short, representing 3.39% of the public float. This marks a 9.25% increase in short interest since the prior report. The short interest ratio (days to cover) is 3.8, meaning it would take 3.8 days of the average trading volume of 187,949 shares to cover all short positions.

Current Short Interest
748,347 shares
Previous Short Interest
684,998 shares
Change Vs. Previous Month
9.25%
Dollar Volume Sold Short
$44.17 million
Short Interest Ratio
3.8 Days to Cover
Last Record Date
July 15, 2026
Outstanding Shares
23,110,000 shares
Short Percent of Float
3.39%
Today's Trading Volume
36,952 shares
Average Trading Volume
187,949 shares
Today's Volume Vs. Average
20%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

WABC Short Interest Over Time

WABC Days to Cover Over Time

WABC Percentage of Float Shorted Over Time

Westamerica Bancorporation Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/15/2026748,347 shares $44.17 million +9.3%3.4%3.83 $59.02
6/30/2026684,998 shares $40.19 million -2.0%3.1%2.31 $58.67
6/15/2026698,811 shares $40.28 million +1.8%3.2%4.45 $57.64
5/29/2026686,820 shares $38.11 million +20.4%3.1%4.2 $55.49
5/15/2026570,248 shares $30.67 million +9.1%2.6%3.7 $53.78
4/30/2026522,790 shares $28.66 million +8.7%2.3%2.36 $54.82
4/15/2026481,064 shares $25.64 million -7.5%2.2%3.29 $53.30
3/31/2026520,052 shares $27.12 million -19.0%2.4%1.87 $52.15
3/13/2026641,904 shares $32.30 million +33.4%2.8%3.49 $50.32
2/27/2026481,170 shares $24.37 million -5.6%2.1%3.2 $50.65
2/13/2026509,654 shares $26.61 million +2.1%2.3%3.3 $52.21
1/30/2026499,370 shares $25.26 million +25.8%2.1%3.29 $50.58
1/15/2026396,990 shares $20.21 million -17.5%1.7%2.74 $50.90
12/31/2025481,160 shares $23.01 million +8.4%2.0%3.09 $47.83
12/15/2025443,832 shares $21.87 million +6.5%1.9%4.15 $49.28
11/28/2025416,610 shares $20.53 million +0.9%1.8%3.3 $49.28
11/14/2025412,786 shares $19.81 million +10.4%1.7%3.47 $47.98
10/31/2025373,829 shares $17.81 million +1.9%1.6%2.41 $47.65
10/15/2025366,700 shares $17.04 million +17.2%1.5%2.4 $46.47
9/30/2025313,000 shares $15.65 million -19.4%1.3%2.1 $49.99
9/15/2025388,400 shares $18.77 million +16.7%1.6%2.8 $48.32
8/31/2025332,900 shares $16.65 million -11.7%1.4%2.5 $50.01
8/15/2025377,100 shares $18.36 million +11.6%1.6%2.9 $48.70
7/31/2025337,900 shares $16.19 million -2.8%1.4%2.4 $47.90
7/15/2025347,600 shares $17.49 million -82.2%1.4%2.4 $50.31
6/30/20251,950,000 shares $94.46 million +350.0%7.9%2.1 $48.44
6/15/2025433,300 shares $20.36 million +7.7%1.7%2.4 $46.98
5/31/2025402,200 shares $19.36 million +9.7%1.6%2.2 $48.13
5/15/2025366,800 shares $18.60 million +2.3%1.5%1.9 $50.70
4/30/2025358,400 shares $17.36 million -8.9%1.4%2.1 $48.43
4/15/2025393,500 shares $17.71 million +27.3%1.6%2.4 $45.00
3/31/2025309,100 shares $15.65 million +10.1%1.2%1.9 $50.63
3/15/2025280,700 shares $14.45 million +21.7%1.1%2 $51.47
2/28/2025230,700 shares $12.02 million +12.9%0.9%1.8 $52.12
2/15/2025204,400 shares $10.21 million -1.1%0.8%1.8 $49.96
1/31/2025206,700 shares $10.70 million -0.3%0.8%1.8 $51.76
1/15/2025207,300 shares $10.76 million +25.2%0.8%1.8 $51.91
12/31/2024165,600 shares $8.69 million -8.5%0.7%1.4 $52.46
12/15/2024181,000 shares $10.12 million -18.9%0.7%1.6 $55.92
11/30/2024223,300 shares $12.78 million +20.7%0.9%2 $57.23
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11/15/2024185,000 shares $10.55 million +5.2%0.7%1.6 $57.03
10/31/2024175,900 shares $9.06 million -27.6%0.7%1.6 $51.52
10/15/2024243,000 shares $12.22 million -5.3%1.0%2.1 $50.28
9/30/2024256,600 shares $12.68 million -23.5%1.0%2.1 $49.42
9/15/2024335,400 shares $16.76 million +2.1%1.3%2.6 $49.98
8/31/2024328,600 shares $17.02 million +19.2%1.3%2.7 $51.79
8/15/2024275,600 shares $13.62 million -7.3%1.1%2.3 $49.41
7/31/2024297,400 shares $16.05 million -9.7%1.2%2.4 $53.96
7/15/2024329,300 shares $17.76 million -18.1%1.3%2.8 $53.92
6/30/2024402,200 shares $19.52 million -1.5%1.6%3.7 $48.53
6/15/2024408,400 shares $18.77 million +13.8%1.6%3.8 $45.96
5/31/2024358,800 shares $17.52 million +4.6%1.4%3.2 $48.82
5/15/2024343,100 shares $17.01 million -2.6%1.4%2.8 $49.57
4/30/2024352,300 shares $16.40 million +8.1%1.4%2.6 $46.55
4/15/2024326,000 shares $15.14 million -0.5%1.3%2.1 $46.45
3/31/2024327,500 shares $16.01 million -17.1%1.3%2 $48.88
3/15/2024395,000 shares $18.52 million +7.4%1.6%2.5 $46.89
2/29/2024367,900 shares $16.82 million -2.7%1.5%2.1 $45.71
2/15/2024377,900 shares $17.85 million +39.6%1.5%2.3 $47.24
1/31/2024270,700 shares $12.92 million -12.5%1.1%1.7 $47.72
1/15/2024309,400 shares $16.83 million +6.7%1.2%2.1 $54.39
12/31/2023289,900 shares $16.35 million -20.1%N/A0 $56.41
12/15/2023362,800 shares $20.56 million +20.8%1.4%2.7 $56.68
11/30/2023300,300 shares $15.23 million +1.7%1.2%2.3 $50.71
11/15/2023295,400 shares $14.95 million +9.3%1.1%2.5 $50.60
10/31/2023270,200 shares $12.76 million -3.0%1.0%2.2 $47.24
10/15/2023278,600 shares $12.08 million -8.4%1.1%2.3 $43.36
9/30/2023304,100 shares $13.15 million -17.2%1.2%2.4 $43.25
9/15/2023367,100 shares $16.09 million -5.9%1.4%2.8 $43.83
8/31/2023390,300 shares $17.18 million +18.1%1.5%2.9 $44.03
8/15/2023330,600 shares $15.32 million -3.4%1.3%2.3 $46.33
7/31/2023342,300 shares $16.84 million -7.9%1.3%2.1 $49.19
7/15/2023371,700 shares $15.76 million -25.4%1.4%2.1 $42.39
6/30/2023498,000 shares $19.07 million -14.8%1.9%2.6 $38.30
6/15/2023584,800 shares $24.70 million -7.3%2.2%2.9 $42.23
5/31/2023630,900 shares $23.87 million -9.4%2.5%2.7 $37.83
5/15/2023696,500 shares $26.31 million +50.7%2.7%3 $37.77
4/30/2023462,200 shares $18.72 million +6.6%1.8%2 $40.51
4/15/2023433,700 shares $17.53 million +0.7%1.6%2 $40.42
3/31/2023430,700 shares $19.08 million -17.9%1.6%2 $44.30
3/15/2023524,500 shares $25.57 million +1.3%2.0%2.5 $48.76
2/28/2023517,700 shares $28.54 million +10.3%1.9%2.7 $55.12
2/15/2023469,200 shares $26.29 million +12.2%1.8%2.5 $56.03
1/31/2023418,300 shares $23.24 million -36.0%1.6%2.2 $55.56
1/15/2023653,600 shares $38.01 million -13.6%2.4%3.5 $58.16
12/30/2022756,600 shares $44.65 million +9.5%2.8%4.3 $59.01
12/15/2022691,200 shares $39.12 million +9.7%2.6%4.1 $56.59
11/30/2022630,200 shares $38.91 million +11.5%2.4%4.5 $61.75
11/15/2022565,200 shares $34.71 million -4.4%2.1%4.3 $61.41
10/31/2022591,000 shares $37.07 million -17.4%2.2%4.6 $62.73
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10/15/2022715,100 shares $38.92 million -4.9%2.7%5.9 $54.43
9/30/2022752,200 shares $39.33 million +1.6%2.8%6.7 $52.29
9/15/2022740,200 shares $40.41 million -7.0%2.8%6.4 $54.59
8/31/2022795,500 shares $44.51 million +2.3%3.1%7.2 $55.95
8/15/2022777,500 shares $47.12 million +0.9%3.0%7 $60.61
7/31/2022770,900 shares $46.26 million +0.3%3.0%6.8 $60.01
7/15/2022768,700 shares $42.36 million -3.7%3.0%6.5 $55.10
6/30/2022798,600 shares $44.45 million +1.7%3.1%6.9 $55.66
6/15/2022785,400 shares $45.07 million +1.6%3.0%7 $57.38
5/31/2022772,800 shares $46.53 million +4.1%3.0%7.1 $60.21
5/15/2022742,600 shares $42.65 million -1.1%2.9%6.7 $57.43
4/30/2022750,500 shares $44.22 million +11.8%2.9%6.9 $58.92
4/15/2022671,100 shares $39.62 million +1.7%2.6%6.4 $59.04
3/31/2022660,100 shares $39.94 million -0.8%2.6%6.7 $60.50
3/15/2022665,100 shares $41.50 million +10.1%2.6%7.2 $62.40
2/28/2022604,300 shares $35.85 million -0.1%2.3%6 $59.32
2/15/2022604,900 shares $36.25 million +12.2%2.3%6.1 $59.92
1/31/2022539,100 shares $31.31 million +1.6%2.1%5.8 $58.08
1/15/2022530,700 shares $32.02 million +0.5%2.1%5.8 $60.33
12/31/2021528,200 shares $30.49 million -8.2%2.1%6.1 $57.73
12/15/2021575,500 shares $32.56 million +4.2%2.2%6.5 $56.58
11/30/2021552,100 shares $29.69 million +0.5%2.1%7 $53.78
11/15/2021549,200 shares $31.42 million -5.8%2.1%7 $57.21
10/29/2021582,800 shares $32.50 million -6.3%2.3%7.5 $55.76
10/15/2021622,100 shares $34.07 million +3.8%2.4%7.8 $54.77
9/30/2021599,300 shares $33.72 million -13.8%2.3%6.9 $56.26
9/15/2021695,500 shares $38.16 million -4.6%2.7%7.6 $54.86
8/31/2021729,000 shares $41.36 million -0.6%2.8%8.3 $56.74
8/13/2021733,000 shares $42.90 million -7.6%2.8%8.4 $58.52

WABC Short Interest - Frequently Asked Questions

Short interest is the volume of Westamerica Bancorporation shares that have been sold short but have not yet been covered or closed out. As of July 15th, traders have sold 748,347 shares of WABC short. 3.39% of Westamerica Bancorporation's shares are currently sold short. Learn More on Westamerica Bancorporation's current short interest.

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. WABC shares currently have a short interest ratio of 3.8. Learn More on Westamerica Bancorporation's short interest ratio.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 3.39% of Westamerica Bancorporation's floating shares are currently sold short.

Westamerica Bancorporation saw a increase in short interest during the month of July. As of July 15th, there was short interest totaling 748,347 shares, an increase of 9.2% from the previous total of 684,998 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

3.39% of Westamerica Bancorporation's shares are currently sold short. Here is how the short interest of companies in the industry of "regional banks" compare to Westamerica Bancorporation: First Busey Corporation (4.50%), Cathay General Bancorp (4.17%), First Financial Bancorp. (4.80%), First Mid Bancshares, Inc. (2.15%), First Merchants Corporation (2.62%), Independent Bank Corp. (4.13%), S&T Bancorp, Inc. (5.57%), Towne Bank (3.50%), United Bankshares, Inc. (4.39%), First Commonwealth Financial Corporation (3.22%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($73.09 billion), Invesco QQQ ($48.11 billion), iShares Russell 2000 ETF ($23.61 billion), Sandisk Corporation ($12.69 billion), Nebius Group N.V. ($12.18 billion), Western Digital Corporation ($11.95 billion), SPDR S&P Biotech ETF ($11.73 billion), Quhuo Limited Sponsored ADR ($9.74 billion), VanEck Semiconductor ETF ($9.57 billion), and Financial Select Sector SPDR Fund ($8.43 billion). View all of the most shorted stocks.

Short selling WABC is an investing strategy that aims to generate trading profit from Westamerica Bancorporation as its price is falling. WABC shares are trading down $0.59 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for Westamerica Bancorporation occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of WABC, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including WABC, twice per month. The most recent reporting period available is July, 15 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like WABC:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


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Short interest data for NASDAQ:WABC is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 7/24/2026. FINRA publishes updated short interest twice a month.
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