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
24Q1 (20)0.79-4.82-4.821.00-8.26-9.09115.265.075.0190.879.059.4688.6412.839.44117.492.67-9.07
23Q4 (19)0.831.22-3.491.0910.1-2.68109.70-0.643.4983.33-8.892.3278.58-3.9434.1114.44-4.69-11.18
23Q3 (18)0.823.82.50.998.794.21110.41-4.67-2.6391.46-8.87-4.7981.80-1.8512.97120.07-9.61-12.38
23Q2 (17)0.79-4.823.950.91-17.27-3.19115.825.52-3.76100.3620.893.1783.3431.11.55132.842.81-2.01
23Q1 (16)0.83-3.4915.281.10-1.79-1.79109.763.55-13.5483.021.942.3963.578.48-18.76129.210.29-0.44
22Q4 (15)0.867.5-7.531.1217.89-24.32106.00-6.527.8181.44-15.2232.8158.60-19.072.2128.84-5.9825.94
22Q3 (14)0.805.26-1.230.951.06-23.39113.39-5.781.1896.06-1.2531.1672.41-11.77-8.53137.031.0829.1
22Q2 (13)0.765.56-19.150.94-16.07-31.88120.35-5.224.5397.2819.9847.0282.074.88-4.97135.574.4677.33
22Q1 (12)0.72-22.58-31.431.12-24.32-26.32126.9529.1246.5981.0832.2235.5678.2536.47-1.29129.7826.8693.33
21Q4 (11)0.9314.81-7.921.4819.35-10.398.32-12.278.6361.32-16.2811.0557.34-27.56-23.07102.30-3.6243.7
21Q3 (10)0.81-13.830.01.24-10.14-23.46112.0715.970.2173.2410.6830.1879.16-8.34-5.45106.1438.8425.8
21Q2 (9)0.94-10.4814.631.38-9.21-18.3496.6411.59-12.7266.1710.6322.786.368.9410.5576.4513.88-11.64
21Q1 (8)1.053.9647.891.52-7.8810.1486.60-4.32-32.2859.818.31-9.2379.276.35-11.3267.13-5.7-35.68
20Q4 (7)1.0124.6913.481.651.85-7.8290.51-19.07-11.5755.22-1.858.4474.54-10.975.5471.19-15.62-13.84
20Q3 (6)0.81-1.22-1.221.62-4.14-5.81111.841.011.2856.264.326.0983.727.1752.3384.37-2.48-22.24
20Q2 (5)0.8215.493.81.6922.4644.44110.72-13.42-4.1353.93-18.15-30.4778.12-12.6198.9386.52-17.1-43.74
20Q1 (4)0.71-20.220.01.38-22.910.0127.8824.940.065.8929.40.089.3926.560.0104.3726.310.0
19Q4 (3)0.898.540.01.794.070.0102.35-7.320.050.92-3.980.070.6328.510.082.63-23.840.0
19Q3 (2)0.823.80.01.7247.010.0110.43-4.380.053.03-31.630.054.9639.950.0108.50-29.440.0
19Q2 (1)0.790.00.01.170.00.0115.490.00.077.560.00.039.270.00.0153.780.00.0
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)3.3615.864.53-1.95108.57-13.7580.541.8865.83-4.55123.29-9.32
2022 (9)2.90-26.774.62-27.13125.8836.5679.0537.3368.973.51135.9663.61
2021 (8)3.9622.66.3421.4692.18-18.3257.56-17.7566.63-28.6983.10-7.05
2020 (7)3.23-3.585.2234.19112.863.6969.98-25.4593.4453.9189.40-37.04
2019 (6)3.352.453.899.58108.84-2.6193.87-8.8260.71-6.56142.00-5.17
2018 (5)3.2711.63.55-22.99111.76-10.38102.9530.0564.97-23.82149.7426.27
2017 (4)2.93-1.684.61-3.35124.711.8979.163.4585.293.6118.591.71
2016 (3)2.98-7.454.775.3122.408.0876.52-5.082.3319.61116.60-6.69
2015 (2)3.22-2.724.53-5.03113.252.8580.555.3468.8315.82124.96-1.72
2014 (1)3.31-10.34.77-4.79110.1111.2376.474.8759.4327.86127.151.37

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