Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Warrants ??? derivative (Tables)

v3.23.3
Warrants – derivative (Tables)
6 Months Ended
Jun. 30, 2023
Notes and other explanatory information [abstract]  
Summary of changes In warrant derivative liability

The following table summarizes the changes in the warrant derivative liability during the six month period to June 30, 2023:

 

   

Embedded

derivative

 
    £  
       
Balance at December 31, 2022     6,020,863  
Fair value of warrants issued in the period     2,893,619  
Fair value adjustment     (7,637,088 )
Balance at June 30, 2023     1,277,394  
Schedule of valuation assumption on warrants derivative

The model inputs were as follows:

    December 31, 2022     June 30, 2023  
Exercise price in USD   $ 212.50     $ 212.50  
Share price in USD   $ 3.85     $ 0.54  
Time to maturity     5.1 years       4.6 years  
Expected volatility     90 %     90 %
Risk free interest rate (US treasury bond)     4.00 %     3.90 %
Dividend yield     -          
    December 31, 2022     June 30, 2023  
Exercise price in USD   $ 5.00     $ 1.75  
Share price in USD   $ 3.85     $ 0.54  
Time to maturity     5.4 years       4.9 years  
Expected volatility     85 %     90 %
Risk free interest rate (US treasury bond)     3.9 %     3.9 %
Dividend yield     -       -  
 
    December 31, 2022     June 30, 2023  
Exercise price in USD   $ 5.00     $ 1.75  
Share price in USD   $ 3.85     $ 0.54  
Time to maturity     2.4 years       1.9 years  
Expected volatility     90 %     90 %
Risk free interest rate (US treasury bond)     4.3 %     4.3 %
Dividend yield     -       -  
 
    March 30, 2023     June 30, 2023  
Exercise price in USD   $ 1.75     $ 1.75  
Share price in USD   $ 1.55     $ 0.54  
Time to maturity     5 years       4.7 years  
Expected volatility     90 %     90 %
Risk free interest rate (US treasury bond)     4.00 %     4.0 %
Dividend yield     -       -  
 
    March 30, 2023     June 30, 2023  
Exercise price in USD   $ 2.00     $ 2.00  
Share price in USD   $ 1.55     $ 0.54  
Time to maturity     5 years       4.8 years  
Expected volatility     90 %     90 %
Risk free interest rate (US treasury bond)     4.0 %     4.0 %
Dividend yield     -       -