Japan's bitcoin treasury company Metaplanet moved about $237 million worth of bitcoin to Coinbase Prime, fuelling speculation it may be looking to sell part of its holdings.

The blockchain outlet U.Today reported on Aug. 29 that the transfer came as bitcoin's recent rise has lost momentum.

Metaplanet has steadily bought bitcoin, but the large transfer diverged from its previous pattern and drew market attention. The market is interpreting the transaction as a sign that Metaplanet has begun taking a cautious stance on bitcoin's price trend.

As of Aug. 18, the company held 43,000 BTC, the third-largest amount among listed companies worldwide. Interest has focused on the reason for the large transfer, given that it has increased holdings by making bitcoin a core reserve asset.

Earlier, Metaplanet also announced a plan to invest 2,100 BTC in U.S. Nasdaq-listed Super League Enterprise and launch a U.S. bitcoin treasury platform called Superplanet. Because it uses bitcoin for strategic investment and financial business rather than merely holding it, further confirmation is needed on whether the transfer reflects an actual sale or a move for another business purpose.

Still, the transfer alone cannot confirm an actual sale. A move to a crypto exchange such as Coinbase Prime does not immediately mean a disposal. Even so, the size and timing of the transaction have led to continued market speculation that Metaplanet may be attempting to reduce part of its holdings.

Behind that interpretation is a recent trend of profit-taking in the market. Investors have again been trimming assets to preserve gains secured during the latest price rise. Bitcoin has also pulled back after its rally and is now trading in a weak range, reinforcing the speculation.

Market reaction has focused on that point. The company has not yet given a detailed reason for the transfer. As a result, investors are waiting for further signals to determine whether it was simply a change in custody or a preliminary step toward taking profits.

Ultimately, the key point will be Metaplanet's next move. If it makes additional transfers or shows changes in holdings, the nature of this transaction could become clearer. For now, the fact of the large bitcoin transfer has been confirmed, and interpretations of its meaning are divided amid a recent market slowdown and profit-taking trend.