SLV vault flow vs silver one month lease rate

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pmbug

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I noticed a while back that the silver one month (1mo) lease rate is highly correlated with the (London) vault flow of the SLV ETF. I've been tracking the data sets for a while now and as you can see in the following chart, they have mirrored each other tightly over the last couple of weeks:

slv vs 1mo lease rate 5-8-26.webp

SLV's London vault stock appears to have bottomed out here around the 399M ozt level. Outflows are minimal and immediately compensated with complimentary inflows. This level was last seen around November 24 when silver was $52/ozt.

The correlation between SLV's London vault flow and the 1mo lease rate indicates to me that the LBMA's free float vault stock is again a thin margin. The LBMA has been leaning heavily on SLV vault drain to satisfy demand for physical silver (presumably from China, India and @Viking ). With the SLV faucet closing, the LBMA will need more supply from other sources to keep pace.

I expect the 1mo lease rate to climb as the silver bull starts running again and SLV reverses course and resumes accumulating vault stock (putting more pressure on the LBMA).
 
Update:

slv vs 1mo lease rate 5-13-26.webp

SLV vault stock has started a moderate climb. Silver 1 month lease rate is climbing faster. Poor dinosaurs.
 
SLV's London vault inventory back to the ~406M ozt level as it was a month ago. Silver one month lease rate currently about half a percent which is about twice what it was a month ago.
slv vs 1mo lease rate 5-21-26.webp
 
They are supposed to hold it constant (more or less) and that's what I've observed while watching the daily reports for the last 7.5 months or so.

September 19, 2025:
385,680,501.40 (London) + 103,176,253.000 (NYC) = 488,856,754.4 ozt
538,400,000 shares
0.9079805988112927 ozt/share

May 20, 2026:
406,170,100.10 (London) + 82,168,856.000 (NYC) = 488,338,956.1 ozt
539,550,000 shares
0.9050856382170327 ozt/share
 
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