玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.67-9.46-11.840.48-7.699.09135.489.8512.61188.847.98-8.8857.6019.6813.16266.716.65-3.6
24Q2 (19)0.7445.1-21.280.5244.4420.93123.33-31.5126.74174.89-31.15-16.748.13-26.28-8.64250.08-32.19-1.76
24Q1 (18)0.51-39.29-36.250.36-37.935.88180.0766.7557.35254.0061.44-4.265.2967.32-15.61368.7962.9622.04
23Q4 (17)0.8410.53-20.00.5831.820.0107.99-10.2424.43157.33-24.090.2239.02-23.34-19.89226.31-18.216.01
23Q3 (16)0.76-19.15-1.30.442.33-2.22120.3123.641.7207.25-1.283.1550.90-3.38-6.64276.668.684.52
23Q2 (15)0.9417.527.030.4326.47-2.2797.31-14.97-20.67209.94-20.820.8152.68-31.91-3.13254.56-15.76-7.95
23Q1 (14)0.80-23.8142.860.34-41.38-5.56114.4431.86-30.2265.1368.884.8677.3758.8424.21302.1954.91-14.76
22Q4 (13)1.0536.3645.830.5828.8923.486.79-26.64-31.49156.99-21.86-19.1348.71-10.66-1.62195.08-26.3-28.09
22Q3 (12)0.774.0520.310.452.274.65118.30-3.55-16.21200.92-3.52-4.1154.520.26-15.89264.70-4.28-7.41
22Q2 (11)0.7432.14-5.130.4422.22-8.33122.66-25.194.86208.26-17.639.7854.38-12.7-6.21276.54-21.9911.19
22Q1 (10)0.56-22.22-8.20.36-23.4-7.69163.9629.4310.31252.8430.247.9462.2925.81-8.17354.5130.6712.52
21Q4 (9)0.7212.5-17.240.479.3-9.62126.68-10.2721.43194.13-7.3510.2649.51-23.627.72271.30-5.115.73
21Q3 (8)0.64-17.95-14.670.43-10.42-6.52141.1820.716.37209.5310.455.564.8211.814.36285.8914.958.6
21Q2 (7)0.7827.87-10.340.4823.08-15.79116.97-21.3111.99189.71-19.0118.257.98-14.520.8248.70-21.0619.89
21Q1 (6)0.61-29.89-1.610.39-25.00.0148.6442.480.83234.2533.04-0.267.8347.58-11.69315.0634.393.18
20Q4 (5)0.8716.0-13.860.5213.04-13.33104.32-14.0116.01176.07-11.3415.1645.96-18.9114.27234.43-10.9415.72
20Q3 (4)0.75-13.790.00.46-19.30.0121.3216.150.0198.6023.740.056.68-1.460.0263.2426.90.0
20Q2 (3)0.8740.320.00.5746.150.0104.45-29.150.0160.50-31.620.057.52-25.110.0207.44-32.060.0
20Q1 (2)0.62-38.610.00.39-35.00.0147.4263.950.0234.7353.530.076.8190.970.0305.3450.720.0
19Q4 (1)1.010.00.00.600.00.089.920.00.0152.890.00.040.220.00.0202.590.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)2.95-3.591.86-2.62123.813.78195.902.6558.449.95261.271.66
2022 (9)3.0614.611.913.24119.30-12.59190.85-3.1453.153.87257.00-8.97
2021 (8)2.67-14.71.85-10.19136.4817.21197.0311.2951.17-2.07282.3417.04
2020 (7)3.13-12.082.060.98116.4413.71177.04-1.2852.25-5.74241.236.6
2019 (6)3.565.642.0412.71102.40-5.54179.34-11.1555.43-25.6226.30-4.02
2018 (5)3.3714.241.81-7.65108.41-12.36201.858.374.5013.71235.77-3.59
2017 (4)2.9518.471.9625.64123.70-15.57186.38-20.5265.52-21.13244.55-17.92
2016 (3)2.49-7.431.56-10.34146.527.84234.5011.5983.07-5.92297.9515.61
2015 (2)2.69-29.771.74-24.02135.8742.48210.1531.7988.3026.96257.7139.11
2014 (1)3.83-13.152.29-6.9195.3615.16159.467.6169.553.44185.2613.14

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