Can masturbating daily raise my psa ti 11.4 no cancer has been found on biopsy.

Not liklely. To be sole cause. Psa density refers to "expected" psa number per gram of prostate tissue. A very large prostate can elevate. Your question suggests you have been biopsied. Serially psa's establish a pattern of change. You need a "coach" to guide you thr0ugh this.