For more information on VSA, you can check out the following resources:
Look for a sharp drop in price ending with a wide spread bar, ultra-high volume, and a close near the high. This marks the beginning of the "Trading Range." vsa trading strategy pdf
High volume (effort) should result in a wide price spread (result). If volume is high but price barely moves, it signals "smart money" is opposing the current trend. Common VSA Trading Signals For more information on VSA, you can check
High volume with a narrow price spread indicates "absorption," where one side of the market is soaking up all the opposing orders, often signaling a reversal. Key Market Phases For more information on VSA