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Short Interest: A Fascinating Chart

Published 10/01/2015, 03:21 PM
Updated 07/09/2023, 06:31 AM

This is a fascinating chart showing a large spike in short interest in S&P 500 stocks during the last couple of months:

Short Interest And The S&P 500

Short interest (number of total shares sold short) had been in a relatively tight range for the last few years. Last month’s surge brought short interest back to levels not seen since Summer 2009.

Part of this can be explained by a spike in short interest in the (NYSE:SPY) exchange-traded fund, which causes market makers to sell short the underlying basket of stocks. However, we are also seeing retail investors and professional portfolio managers alike ratchet up hedges and take outright net short biases. Given that stocks have often made a major seasonal low in mid-October, we could be in for one heck of a short squeeze at some point over the coming weeks.

Original Post

Via Energy and Gold.com

Latest comments

Looks like the chart is only current as of mid-August, with the September bounce I'm wondering how much of that short interest is still there as of today and if this is still relevant. Inverse volatility volume is at an all-time high now, so the tide may have already turned.
Looks like short interest days to cover based on NASDAQ site is only 3 days, so I don't think there is any risk of a short squeeze right now.
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