Following the completion of Bitcoin's halving, unusual trading volumes were observed for several alternative cryptocurrencies on Upbit, South Korea's largest crypto exchange. The altcoins under scrutiny are Cardano (ADA), Loom Network (LOOM), 1inch (1INCH), Ankr (ANKR), and NEM (XEM).

Cardano (ADA) displayed a remarkable surge in trading volume on Upbit's 4-hour chart. The average volume of $7 million skyrocketed to approximately $14 million, marking a notable 96.96% increase. Conversely, on Binance, the volume dipped by 8.50%, from an average of $46 million to $42 million.

Loom Network (LOOM) witnessed a significant spike in trading volume on Upbit's 1-hour chart. The average volume of $50 million surged to $10 million, reflecting a substantial 215.10% rise. However, on Binance, the volume remained steady at $2 million.

1inch (1INCH) experienced a staggering 407.13% surge in trading volume on Upbit's 4-hour chart, climbing from an average of around $1.5 million to as high as $7 million. Conversely, on Binance, the volume saw a moderate increase of 48.36%, rising from $3 million to $4 million.

Ankr (ANKR) recorded a notable 186.96% surge in 1-hour trading volume on Upbit, increasing from an average of $6 million to $17 million. However, on Binance, the volume witnessed a slight decrease of 10.08%, dropping from $9 million to $8 million.

Lastly, NEM (XEM) experienced a significant surge in 1-hour trading volume on Upbit, with volume soaring by 454.21%, from an average of $2 million to $13 million. Conversely, on Binance, the volume saw a decrease of 15.37%, settling at $1 million.

In conclusion, the post-halving period witnessed remarkable trading activity for these five altcoins on Upbit, with significant increases in trading volume noted across various timeframes.